856552785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1109}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 1554923520

約数和(自身を除く): 698370735

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 151, 155, 165, 341, 453, 465, 755, 1023, 1109, 1661, 1705, 2265, 3327, 4681, 4983, 5115, 5545, 8305, 12199, 14043, 16635, 23405, 24915, 34379, 36597, 51491, 60995, 70215, 103137, 154473, 167459, 171895, 182985, 257455, 378169, 502377, 515685, 772365, 837295, 1134507, 1842049, 1890845, 2511885, 5191229, 5526147, 5672535, 9210245, 15573687, 25956145, 27630735, 57103519, 77868435, 171310557, 285517595, 856552785]

約数ペア:

[(1, 856552785), (3, 285517595), (5, 171310557), (11, 77868435), (15, 57103519), (31, 27630735), (33, 25956145), (55, 15573687), (93, 9210245), (151, 5672535), (155, 5526147), (165, 5191229), (341, 2511885), (453, 1890845), (465, 1842049), (755, 1134507), (1023, 837295), (1109, 772365), (1661, 515685), (1705, 502377), (2265, 378169), (3327, 257455), (4681, 182985), (4983, 171895), (5115, 167459), (5545, 154473), (8305, 103137), (12199, 70215), (14043, 60995), (16635, 51491), (23405, 36597), (24915, 34379)]