15681885

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 26345088

約数和(自身を除く): 10663203

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 593, 615, 645, 1763, 1779, 2965, 5289, 8815, 8895, 24313, 25499, 26445, 72939, 76497, 121565, 127495, 364695, 382485, 1045459, 3136377, 5227295, 15681885]

約数ペア:

[(1, 15681885), (3, 5227295), (5, 3136377), (15, 1045459), (41, 382485), (43, 364695), (123, 127495), (129, 121565), (205, 76497), (215, 72939), (593, 26445), (615, 25499), (645, 24313), (1763, 8895), (1779, 8815), (2965, 5289)]