1825425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 3997760

約数和(自身を除く): 2172335

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 61, 63, 75, 95, 105, 133, 171, 175, 183, 225, 285, 305, 315, 399, 427, 475, 525, 549, 665, 855, 915, 1159, 1197, 1281, 1425, 1525, 1575, 1995, 2135, 2745, 3325, 3477, 3843, 4275, 4575, 5795, 5985, 6405, 8113, 9975, 10431, 10675, 13725, 17385, 19215, 24339, 28975, 29925, 32025, 40565, 52155, 73017, 86925, 96075, 121695, 202825, 260775, 365085, 608475, 1825425]

約数ペア:

[(1, 1825425), (3, 608475), (5, 365085), (7, 260775), (9, 202825), (15, 121695), (19, 96075), (21, 86925), (25, 73017), (35, 52155), (45, 40565), (57, 32025), (61, 29925), (63, 28975), (75, 24339), (95, 19215), (105, 17385), (133, 13725), (171, 10675), (175, 10431), (183, 9975), (225, 8113), (285, 6405), (305, 5985), (315, 5795), (399, 4575), (427, 4275), (475, 3843), (525, 3477), (549, 3325), (665, 2745), (855, 2135), (915, 1995), (1159, 1575), (1197, 1525), (1281, 1425)]