219015

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 394368

約数和(自身を除く): 175353

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 157, 279, 465, 471, 785, 1395, 1413, 2355, 4867, 7065, 14601, 24335, 43803, 73005, 219015]

約数ペア:

[(1, 219015), (3, 73005), (5, 43803), (9, 24335), (15, 14601), (31, 7065), (45, 4867), (93, 2355), (155, 1413), (157, 1395), (279, 785), (465, 471)]