1971315

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 3470688

約数和(自身を除く): 1499373

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 617, 639, 1065, 1851, 3085, 3195, 5553, 9255, 27765, 43807, 131421, 219035, 394263, 657105, 1971315]

約数ペア:

[(1, 1971315), (3, 657105), (5, 394263), (9, 219035), (15, 131421), (45, 43807), (71, 27765), (213, 9255), (355, 5553), (617, 3195), (639, 3085), (1065, 1851)]