81886545

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 160672512

約数和(自身を除く): 78785967

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 103, 117, 135, 151, 195, 309, 351, 405, 453, 515, 585, 755, 927, 1053, 1339, 1359, 1545, 1755, 1963, 2265, 2781, 4017, 4077, 4635, 5265, 5889, 6695, 6795, 8343, 9815, 12051, 12231, 13905, 15553, 17667, 20085, 20385, 29445, 36153, 41715, 46659, 53001, 60255, 61155, 77765, 88335, 108459, 139977, 159003, 180765, 202189, 233295, 265005, 419931, 542295, 606567, 699885, 795015, 1010945, 1259793, 1819701, 2099655, 3032835, 5459103, 6298965, 9098505, 16377309, 27295515, 81886545]

約数ペア:

[(1, 81886545), (3, 27295515), (5, 16377309), (9, 9098505), (13, 6298965), (15, 5459103), (27, 3032835), (39, 2099655), (45, 1819701), (65, 1259793), (81, 1010945), (103, 795015), (117, 699885), (135, 606567), (151, 542295), (195, 419931), (309, 265005), (351, 233295), (405, 202189), (453, 180765), (515, 159003), (585, 139977), (755, 108459), (927, 88335), (1053, 77765), (1339, 61155), (1359, 60255), (1545, 53001), (1755, 46659), (1963, 41715), (2265, 36153), (2781, 29445), (4017, 20385), (4077, 20085), (4635, 17667), (5265, 15553), (5889, 13905), (6695, 12231), (6795, 12051), (8343, 9815)]