78289725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 135102464

約数和(自身を除く): 56812739

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 151, 155, 223, 453, 465, 669, 755, 775, 1115, 2265, 2325, 3345, 3775, 4681, 5575, 6913, 11325, 14043, 16725, 20739, 23405, 33673, 34565, 70215, 101019, 103695, 117025, 168365, 172825, 351075, 505095, 518475, 841825, 1043863, 2525475, 3131589, 5219315, 15657945, 26096575, 78289725]

約数ペア:

[(1, 78289725), (3, 26096575), (5, 15657945), (15, 5219315), (25, 3131589), (31, 2525475), (75, 1043863), (93, 841825), (151, 518475), (155, 505095), (223, 351075), (453, 172825), (465, 168365), (669, 117025), (755, 103695), (775, 101019), (1115, 70215), (2265, 34565), (2325, 33673), (3345, 23405), (3775, 20739), (4681, 16725), (5575, 14043), (6913, 11325)]