25190865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 57139200

約数和(自身を除く): 31948335

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 27, 35, 45, 57, 61, 63, 69, 95, 105, 115, 133, 135, 161, 171, 183, 189, 207, 285, 305, 315, 345, 399, 427, 437, 483, 513, 549, 621, 665, 805, 855, 915, 945, 1035, 1159, 1197, 1281, 1311, 1403, 1449, 1647, 1995, 2135, 2185, 2415, 2565, 2745, 3059, 3105, 3477, 3591, 3843, 3933, 4209, 4347, 5795, 5985, 6405, 6555, 7015, 7245, 8113, 8235, 9177, 9821, 10431, 11529, 11799, 12627, 15295, 17385, 17955, 19215, 19665, 21045, 21735, 24339, 26657, 27531, 29463, 31293, 37881, 40565, 45885, 49105, 52155, 57645, 58995, 63135, 73017, 79971, 82593, 88389, 121695, 133285, 137655, 147315, 156465, 186599, 189405, 219051, 239913, 265167, 365085, 399855, 412965, 441945, 559797, 719739, 932995, 1095255, 1199565, 1325835, 1679391, 2798985, 3598695, 5038173, 8396955, 25190865]

約数ペア:

[(1, 25190865), (3, 8396955), (5, 5038173), (7, 3598695), (9, 2798985), (15, 1679391), (19, 1325835), (21, 1199565), (23, 1095255), (27, 932995), (35, 719739), (45, 559797), (57, 441945), (61, 412965), (63, 399855), (69, 365085), (95, 265167), (105, 239913), (115, 219051), (133, 189405), (135, 186599), (161, 156465), (171, 147315), (183, 137655), (189, 133285), (207, 121695), (285, 88389), (305, 82593), (315, 79971), (345, 73017), (399, 63135), (427, 58995), (437, 57645), (483, 52155), (513, 49105), (549, 45885), (621, 40565), (665, 37881), (805, 31293), (855, 29463), (915, 27531), (945, 26657), (1035, 24339), (1159, 21735), (1197, 21045), (1281, 19665), (1311, 19215), (1403, 17955), (1449, 17385), (1647, 15295), (1995, 12627), (2135, 11799), (2185, 11529), (2415, 10431), (2565, 9821), (2745, 9177), (3059, 8235), (3105, 8113), (3477, 7245), (3591, 7015), (3843, 6555), (3933, 6405), (4209, 5985), (4347, 5795)]