38538825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 72578688

約数和(自身を除く): 34039863

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 47, 65, 75, 87, 141, 145, 195, 235, 325, 377, 435, 611, 705, 725, 841, 975, 1131, 1175, 1363, 1833, 1885, 2175, 2523, 3055, 3525, 4089, 4205, 5655, 6815, 9165, 9425, 10933, 12615, 15275, 17719, 20445, 21025, 28275, 32799, 34075, 39527, 45825, 53157, 54665, 63075, 88595, 102225, 118581, 163995, 197635, 265785, 273325, 442975, 513851, 592905, 819975, 988175, 1328925, 1541553, 2569255, 2964525, 7707765, 12846275, 38538825]

約数ペア:

[(1, 38538825), (3, 12846275), (5, 7707765), (13, 2964525), (15, 2569255), (25, 1541553), (29, 1328925), (39, 988175), (47, 819975), (65, 592905), (75, 513851), (87, 442975), (141, 273325), (145, 265785), (195, 197635), (235, 163995), (325, 118581), (377, 102225), (435, 88595), (611, 63075), (705, 54665), (725, 53157), (841, 45825), (975, 39527), (1131, 34075), (1175, 32799), (1363, 28275), (1833, 21025), (1885, 20445), (2175, 17719), (2523, 15275), (3055, 12615), (3525, 10933), (4089, 9425), (4205, 9165), (5655, 6815)]