3121950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1629

約数の個数: 48

約数和(自身を含む): 8343216

約数和(自身を除く): 5221266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1601, 1950, 3202, 4803, 8005, 9606, 16010, 20813, 24015, 40025, 41626, 48030, 62439, 80050, 104065, 120075, 124878, 208130, 240150, 312195, 520325, 624390, 1040650, 1560975, 3121950]

約数ペア:

[(1, 3121950), (2, 1560975), (3, 1040650), (5, 624390), (6, 520325), (10, 312195), (13, 240150), (15, 208130), (25, 124878), (26, 120075), (30, 104065), (39, 80050), (50, 62439), (65, 48030), (75, 41626), (78, 40025), (130, 24015), (150, 20813), (195, 16010), (325, 9606), (390, 8005), (650, 4803), (975, 3202), (1601, 1950)]