77406225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 143776512

約数和(自身を除く): 66370287

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 169, 195, 197, 325, 403, 465, 507, 591, 775, 845, 975, 985, 1209, 2015, 2325, 2535, 2561, 2955, 4225, 4925, 5239, 6045, 6107, 7683, 10075, 12675, 12805, 14775, 15717, 18321, 26195, 30225, 30535, 33293, 38415, 64025, 78585, 79391, 91605, 99879, 130975, 152675, 166465, 192075, 238173, 392925, 396955, 458025, 499395, 832325, 1032083, 1190865, 1984775, 2496975, 3096249, 5160415, 5954325, 15481245, 25802075, 77406225]

約数ペア:

[(1, 77406225), (3, 25802075), (5, 15481245), (13, 5954325), (15, 5160415), (25, 3096249), (31, 2496975), (39, 1984775), (65, 1190865), (75, 1032083), (93, 832325), (155, 499395), (169, 458025), (195, 396955), (197, 392925), (325, 238173), (403, 192075), (465, 166465), (507, 152675), (591, 130975), (775, 99879), (845, 91605), (975, 79391), (985, 78585), (1209, 64025), (2015, 38415), (2325, 33293), (2535, 30535), (2561, 30225), (2955, 26195), (4225, 18321), (4925, 15717), (5239, 14775), (6045, 12805), (6107, 12675), (7683, 10075)]