91351975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 141303456

約数和(自身を除く): 49951481

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 101, 115, 121, 143, 253, 275, 299, 325, 505, 575, 605, 715, 1111, 1265, 1313, 1495, 1573, 2323, 2525, 2783, 3025, 3289, 3575, 5555, 6325, 6565, 7475, 7865, 11615, 12221, 13915, 14443, 16445, 25553, 27775, 30199, 32825, 36179, 39325, 58075, 61105, 69575, 72215, 82225, 127765, 150995, 158873, 180895, 281083, 305525, 332189, 361075, 638825, 754975, 794365, 904475, 1405415, 1660945, 3654079, 3971825, 7027075, 8304725, 18270395, 91351975]

約数ペア:

[(1, 91351975), (5, 18270395), (11, 8304725), (13, 7027075), (23, 3971825), (25, 3654079), (55, 1660945), (65, 1405415), (101, 904475), (115, 794365), (121, 754975), (143, 638825), (253, 361075), (275, 332189), (299, 305525), (325, 281083), (505, 180895), (575, 158873), (605, 150995), (715, 127765), (1111, 82225), (1265, 72215), (1313, 69575), (1495, 61105), (1573, 58075), (2323, 39325), (2525, 36179), (2783, 32825), (3025, 30199), (3289, 27775), (3575, 25553), (5555, 16445), (6325, 14443), (6565, 13915), (7475, 12221), (7865, 11615)]