31217238

素因数分解:

$2^1\times 3^9\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 80

約数和(自身を含む): 76880496

約数和(自身を除く): 45663258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 81, 117, 122, 162, 183, 234, 243, 351, 366, 486, 549, 702, 729, 793, 1053, 1098, 1458, 1586, 1647, 2106, 2187, 2379, 3159, 3294, 4374, 4758, 4941, 6318, 6561, 7137, 9477, 9882, 13122, 14274, 14823, 18954, 19683, 21411, 28431, 29646, 39366, 42822, 44469, 56862, 64233, 85293, 88938, 128466, 133407, 170586, 192699, 255879, 266814, 385398, 400221, 511758, 578097, 800442, 1156194, 1200663, 1734291, 2401326, 3468582, 5202873, 10405746, 15608619, 31217238]

約数ペア:

[(1, 31217238), (2, 15608619), (3, 10405746), (6, 5202873), (9, 3468582), (13, 2401326), (18, 1734291), (26, 1200663), (27, 1156194), (39, 800442), (54, 578097), (61, 511758), (78, 400221), (81, 385398), (117, 266814), (122, 255879), (162, 192699), (183, 170586), (234, 133407), (243, 128466), (351, 88938), (366, 85293), (486, 64233), (549, 56862), (702, 44469), (729, 42822), (793, 39366), (1053, 29646), (1098, 28431), (1458, 21411), (1586, 19683), (1647, 18954), (2106, 14823), (2187, 14274), (2379, 13122), (3159, 9882), (3294, 9477), (4374, 7137), (4758, 6561), (4941, 6318)]