39999675

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 68963840

約数和(自身を除く): 28964165

約数列:

[1, 3, 5, 15, 25, 43, 75, 79, 129, 157, 215, 237, 395, 471, 645, 785, 1075, 1185, 1975, 2355, 3225, 3397, 3925, 5925, 6751, 10191, 11775, 12403, 16985, 20253, 33755, 37209, 50955, 62015, 84925, 101265, 168775, 186045, 254775, 310075, 506325, 533329, 930225, 1599987, 2666645, 7999935, 13333225, 39999675]

約数ペア:

[(1, 39999675), (3, 13333225), (5, 7999935), (15, 2666645), (25, 1599987), (43, 930225), (75, 533329), (79, 506325), (129, 310075), (157, 254775), (215, 186045), (237, 168775), (395, 101265), (471, 84925), (645, 62015), (785, 50955), (1075, 37209), (1185, 33755), (1975, 20253), (2355, 16985), (3225, 12403), (3397, 11775), (3925, 10191), (5925, 6751)]