25215015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 24053721

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 53, 69, 105, 115, 159, 161, 197, 265, 345, 371, 483, 591, 795, 805, 985, 1113, 1219, 1379, 1855, 2415, 2955, 3657, 4137, 4531, 5565, 6095, 6895, 8533, 10441, 13593, 18285, 20685, 22655, 25599, 31323, 31717, 42665, 52205, 67965, 73087, 95151, 127995, 156615, 158585, 219261, 240143, 365435, 475755, 720429, 1096305, 1200715, 1681001, 3602145, 5043003, 8405005, 25215015]

約数ペア:

[(1, 25215015), (3, 8405005), (5, 5043003), (7, 3602145), (15, 1681001), (21, 1200715), (23, 1096305), (35, 720429), (53, 475755), (69, 365435), (105, 240143), (115, 219261), (159, 158585), (161, 156615), (197, 127995), (265, 95151), (345, 73087), (371, 67965), (483, 52205), (591, 42665), (795, 31717), (805, 31323), (985, 25599), (1113, 22655), (1219, 20685), (1379, 18285), (1855, 13593), (2415, 10441), (2955, 8533), (3657, 6895), (4137, 6095), (4531, 5565)]