74804775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 129336960

約数和(自身を除く): 54532185

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 163, 211, 435, 489, 633, 725, 815, 1055, 2175, 2445, 3165, 4075, 4727, 5275, 6119, 12225, 14181, 15825, 18357, 23635, 30595, 34393, 70905, 91785, 103179, 118175, 152975, 171965, 354525, 458925, 515895, 859825, 997397, 2579475, 2992191, 4986985, 14960955, 24934925, 74804775]

約数ペア:

[(1, 74804775), (3, 24934925), (5, 14960955), (15, 4986985), (25, 2992191), (29, 2579475), (75, 997397), (87, 859825), (145, 515895), (163, 458925), (211, 354525), (435, 171965), (489, 152975), (633, 118175), (725, 103179), (815, 91785), (1055, 70905), (2175, 34393), (2445, 30595), (3165, 23635), (4075, 18357), (4727, 15825), (5275, 14181), (6119, 12225)]