388381695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{20533}}^1$

素因数の和:20651

約数の個数: 32

約数和(自身を含む): 676143552

約数和(自身を除く): 287761857

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 3783, 6305, 18915, 20533, 61599, 102665, 266929, 307995, 800787, 1334645, 1991701, 4003935, 5975103, 9958505, 25892113, 29875515, 77676339, 129460565, 388381695]

約数ペア:

[(1, 388381695), (3, 129460565), (5, 77676339), (13, 29875515), (15, 25892113), (39, 9958505), (65, 5975103), (97, 4003935), (195, 1991701), (291, 1334645), (485, 800787), (1261, 307995), (1455, 266929), (3783, 102665), (6305, 61599), (18915, 20533)]