18309525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 33122880

約数和(自身を除く): 14813355

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 195, 211, 267, 325, 445, 633, 975, 1055, 1157, 1335, 2225, 2743, 3165, 3471, 5275, 5785, 6675, 8229, 13715, 15825, 17355, 18779, 28925, 41145, 56337, 68575, 86775, 93895, 205725, 244127, 281685, 469475, 732381, 1220635, 1408425, 3661905, 6103175, 18309525]

約数ペア:

[(1, 18309525), (3, 6103175), (5, 3661905), (13, 1408425), (15, 1220635), (25, 732381), (39, 469475), (65, 281685), (75, 244127), (89, 205725), (195, 93895), (211, 86775), (267, 68575), (325, 56337), (445, 41145), (633, 28925), (975, 18779), (1055, 17355), (1157, 15825), (1335, 13715), (2225, 8229), (2743, 6675), (3165, 5785), (3471, 5275)]