28433925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9750

約数の個数: 36

約数和(自身を含む): 54851524

約数和(自身を除く): 26417599

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 9721, 29163, 48605, 87489, 126373, 145815, 243025, 379119, 437445, 631865, 729075, 1137357, 1895595, 2187225, 3159325, 5686785, 9477975, 28433925]

約数ペア:

[(1, 28433925), (3, 9477975), (5, 5686785), (9, 3159325), (13, 2187225), (15, 1895595), (25, 1137357), (39, 729075), (45, 631865), (65, 437445), (75, 379119), (117, 243025), (195, 145815), (225, 126373), (325, 87489), (585, 48605), (975, 29163), (2925, 9721)]