31821210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2699}}^1$

素因数の和:2843

約数の個数: 48

約数和(自身を含む): 83397600

約数和(自身を除く): 51576390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 2699, 3930, 5398, 5895, 8097, 11790, 13495, 16194, 24291, 26990, 40485, 48582, 80970, 121455, 242910, 353569, 707138, 1060707, 1767845, 2121414, 3182121, 3535690, 5303535, 6364242, 10607070, 15910605, 31821210]

約数ペア:

[(1, 31821210), (2, 15910605), (3, 10607070), (5, 6364242), (6, 5303535), (9, 3535690), (10, 3182121), (15, 2121414), (18, 1767845), (30, 1060707), (45, 707138), (90, 353569), (131, 242910), (262, 121455), (393, 80970), (655, 48582), (786, 40485), (1179, 26990), (1310, 24291), (1965, 16194), (2358, 13495), (2699, 11790), (3930, 8097), (5398, 5895)]