12988665

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 24008400

約数和(自身を除く): 11019735

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 87, 111, 145, 185, 261, 269, 333, 435, 555, 807, 1073, 1305, 1345, 1665, 2421, 3219, 4035, 5365, 7801, 9657, 9953, 12105, 16095, 23403, 29859, 39005, 48285, 49765, 70209, 89577, 117015, 149295, 288637, 351045, 447885, 865911, 1443185, 2597733, 4329555, 12988665]

約数ペア:

[(1, 12988665), (3, 4329555), (5, 2597733), (9, 1443185), (15, 865911), (29, 447885), (37, 351045), (45, 288637), (87, 149295), (111, 117015), (145, 89577), (185, 70209), (261, 49765), (269, 48285), (333, 39005), (435, 29859), (555, 23403), (807, 16095), (1073, 12105), (1305, 9953), (1345, 9657), (1665, 7801), (2421, 5365), (3219, 4035)]