221122725

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 373815360

約数和(自身を除く): 152692635

約数列:

[1, 3, 5, 15, 25, 75, 89, 157, 211, 267, 445, 471, 633, 785, 1055, 1335, 2225, 2355, 3165, 3925, 5275, 6675, 11775, 13973, 15825, 18779, 33127, 41919, 56337, 69865, 93895, 99381, 165635, 209595, 281685, 349325, 469475, 496905, 828175, 1047975, 1408425, 2484525, 2948303, 8844909, 14741515, 44224545, 73707575, 221122725]

約数ペア:

[(1, 221122725), (3, 73707575), (5, 44224545), (15, 14741515), (25, 8844909), (75, 2948303), (89, 2484525), (157, 1408425), (211, 1047975), (267, 828175), (445, 496905), (471, 469475), (633, 349325), (785, 281685), (1055, 209595), (1335, 165635), (2225, 99381), (2355, 93895), (3165, 69865), (3925, 56337), (5275, 41919), (6675, 33127), (11775, 18779), (13973, 15825)]