90210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 225792

約数和(自身を除く): 135582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 97, 155, 186, 194, 291, 310, 465, 485, 582, 930, 970, 1455, 2910, 3007, 6014, 9021, 15035, 18042, 30070, 45105, 90210]

約数ペア:

[(1, 90210), (2, 45105), (3, 30070), (5, 18042), (6, 15035), (10, 9021), (15, 6014), (30, 3007), (31, 2910), (62, 1455), (93, 970), (97, 930), (155, 582), (186, 485), (194, 465), (291, 310)]