2021186115

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383891}}^1$

素因数の和:383921

約数の個数: 40

約数和(自身を含む): 3901878288

約数和(自身を除く): 1880692173

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 383891, 1151673, 1919455, 3455019, 4990583, 5758365, 10365057, 14971749, 17275095, 24952915, 31095171, 44915247, 51825285, 74858745, 134745741, 155475855, 224576235, 404237223, 673728705, 2021186115]

約数ペア:

[(1, 2021186115), (3, 673728705), (5, 404237223), (9, 224576235), (13, 155475855), (15, 134745741), (27, 74858745), (39, 51825285), (45, 44915247), (65, 31095171), (81, 24952915), (117, 17275095), (135, 14971749), (195, 10365057), (351, 5758365), (405, 4990583), (585, 3455019), (1053, 1919455), (1755, 1151673), (5265, 383891)]