30971235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 52485120

約数和(自身を除く): 21513885

約数列:

[1, 3, 5, 15, 19, 57, 95, 271, 285, 401, 813, 1203, 1355, 2005, 4065, 5149, 6015, 7619, 15447, 22857, 25745, 38095, 77235, 108671, 114285, 326013, 543355, 1630065, 2064749, 6194247, 10323745, 30971235]

約数ペア:

[(1, 30971235), (3, 10323745), (5, 6194247), (15, 2064749), (19, 1630065), (57, 543355), (95, 326013), (271, 114285), (285, 108671), (401, 77235), (813, 38095), (1203, 25745), (1355, 22857), (2005, 15447), (4065, 7619), (5149, 6015)]