205651395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 381994704

約数和(自身を除く): 176343309

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 163, 207, 265, 345, 477, 489, 529, 795, 815, 1035, 1219, 1467, 1587, 2385, 2445, 2645, 3657, 3749, 4761, 6095, 7335, 7935, 8639, 10971, 11247, 18285, 18745, 23805, 25917, 28037, 33741, 43195, 54855, 56235, 77751, 84111, 86227, 129585, 140185, 168705, 198697, 252333, 258681, 388755, 420555, 431135, 596091, 776043, 993485, 1261665, 1293405, 1788273, 2980455, 3880215, 4570031, 8941365, 13710093, 22850155, 41130279, 68550465, 205651395]

約数ペア:

[(1, 205651395), (3, 68550465), (5, 41130279), (9, 22850155), (15, 13710093), (23, 8941365), (45, 4570031), (53, 3880215), (69, 2980455), (115, 1788273), (159, 1293405), (163, 1261665), (207, 993485), (265, 776043), (345, 596091), (477, 431135), (489, 420555), (529, 388755), (795, 258681), (815, 252333), (1035, 198697), (1219, 168705), (1467, 140185), (1587, 129585), (2385, 86227), (2445, 84111), (2645, 77751), (3657, 56235), (3749, 54855), (4761, 43195), (6095, 33741), (7335, 28037), (7935, 25917), (8639, 23805), (10971, 18745), (11247, 18285)]