163289325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 294424608

約数和(自身を除く): 131135283

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 163, 185, 285, 361, 475, 489, 555, 703, 815, 925, 1083, 1425, 1805, 2109, 2445, 2775, 3097, 3515, 4075, 5415, 6031, 9025, 9291, 10545, 12225, 13357, 15485, 17575, 18093, 27075, 30155, 40071, 46455, 52725, 58843, 66785, 77425, 90465, 114589, 150775, 176529, 200355, 232275, 294215, 333925, 343767, 452325, 572945, 882645, 1001775, 1471075, 1718835, 2177191, 2864725, 4413225, 6531573, 8594175, 10885955, 32657865, 54429775, 163289325]

約数ペア:

[(1, 163289325), (3, 54429775), (5, 32657865), (15, 10885955), (19, 8594175), (25, 6531573), (37, 4413225), (57, 2864725), (75, 2177191), (95, 1718835), (111, 1471075), (163, 1001775), (185, 882645), (285, 572945), (361, 452325), (475, 343767), (489, 333925), (555, 294215), (703, 232275), (815, 200355), (925, 176529), (1083, 150775), (1425, 114589), (1805, 90465), (2109, 77425), (2445, 66785), (2775, 58843), (3097, 52725), (3515, 46455), (4075, 40071), (5415, 30155), (6031, 27075), (9025, 18093), (9291, 17575), (10545, 15485), (12225, 13357)]