27921735

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 54596880

約数和(自身を除く): 26675145

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 113, 153, 171, 255, 285, 289, 323, 339, 565, 765, 855, 867, 969, 1017, 1445, 1615, 1695, 1921, 2147, 2601, 2907, 4335, 4845, 5085, 5491, 5763, 6441, 9605, 10735, 13005, 14535, 16473, 17289, 19323, 27455, 28815, 32205, 32657, 36499, 49419, 82365, 86445, 96615, 97971, 109497, 163285, 182495, 247095, 293913, 328491, 489855, 547485, 620483, 1469565, 1642455, 1861449, 3102415, 5584347, 9307245, 27921735]

約数ペア:

[(1, 27921735), (3, 9307245), (5, 5584347), (9, 3102415), (15, 1861449), (17, 1642455), (19, 1469565), (45, 620483), (51, 547485), (57, 489855), (85, 328491), (95, 293913), (113, 247095), (153, 182495), (171, 163285), (255, 109497), (285, 97971), (289, 96615), (323, 86445), (339, 82365), (565, 49419), (765, 36499), (855, 32657), (867, 32205), (969, 28815), (1017, 27455), (1445, 19323), (1615, 17289), (1695, 16473), (1921, 14535), (2147, 13005), (2601, 10735), (2907, 9605), (4335, 6441), (4845, 5763), (5085, 5491)]