420693399

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{14741}}^1$

素因数の和:14908

約数の個数: 32

約数和(自身を含む): 717050880

約数和(自身を除く): 296357481

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 1057, 1359, 3171, 4077, 9513, 14741, 28539, 44223, 103187, 132669, 309561, 398007, 928683, 2225891, 2786049, 6677673, 15581237, 20033019, 46743711, 60099057, 140231133, 420693399]

約数ペア:

[(1, 420693399), (3, 140231133), (7, 60099057), (9, 46743711), (21, 20033019), (27, 15581237), (63, 6677673), (151, 2786049), (189, 2225891), (453, 928683), (1057, 398007), (1359, 309561), (3171, 132669), (4077, 103187), (9513, 44223), (14741, 28539)]