38889675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 80084160

約数和(自身を除く): 41194485

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 825, 827, 855, 1045, 1425, 1881, 2475, 2481, 3135, 4135, 4275, 5225, 7443, 9097, 9405, 12405, 15675, 15713, 20675, 27291, 37215, 45485, 47025, 47139, 62025, 78565, 81873, 136455, 141417, 172843, 186075, 227425, 235695, 392825, 409365, 518529, 682275, 707085, 864215, 1178475, 1555587, 2046825, 2592645, 3535425, 4321075, 7777935, 12963225, 38889675]

約数ペア:

[(1, 38889675), (3, 12963225), (5, 7777935), (9, 4321075), (11, 3535425), (15, 2592645), (19, 2046825), (25, 1555587), (33, 1178475), (45, 864215), (55, 707085), (57, 682275), (75, 518529), (95, 409365), (99, 392825), (165, 235695), (171, 227425), (209, 186075), (225, 172843), (275, 141417), (285, 136455), (475, 81873), (495, 78565), (627, 62025), (825, 47139), (827, 47025), (855, 45485), (1045, 37215), (1425, 27291), (1881, 20675), (2475, 15713), (2481, 15675), (3135, 12405), (4135, 9405), (4275, 9097), (5225, 7443)]