30712455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 59361120

約数和(自身を除く): 28648665

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 2113, 2907, 4845, 6339, 10565, 14535, 19017, 31695, 35921, 40147, 95085, 107763, 120441, 179605, 200735, 323289, 361323, 538815, 602205, 682499, 1616445, 1806615, 2047497, 3412495, 6142491, 10237485, 30712455]

約数ペア:

[(1, 30712455), (3, 10237485), (5, 6142491), (9, 3412495), (15, 2047497), (17, 1806615), (19, 1616445), (45, 682499), (51, 602205), (57, 538815), (85, 361323), (95, 323289), (153, 200735), (171, 179605), (255, 120441), (285, 107763), (323, 95085), (765, 40147), (855, 35921), (969, 31695), (1615, 19017), (2113, 14535), (2907, 10565), (4845, 6339)]