420739347

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{13751}}^1$

素因数の和:13839

約数の個数: 32

約数和(自身を含む): 675938304

約数和(自身を除く): 255198957

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 4371, 10199, 13751, 30597, 41253, 96257, 288771, 426281, 646297, 1278843, 1938891, 2983967, 4524079, 8951901, 13572237, 20035207, 60105621, 140246449, 420739347]

約数ペア:

[(1, 420739347), (3, 140246449), (7, 60105621), (21, 20035207), (31, 13572237), (47, 8951901), (93, 4524079), (141, 2983967), (217, 1938891), (329, 1278843), (651, 646297), (987, 426281), (1457, 288771), (4371, 96257), (10199, 41253), (13751, 30597)]