1531257

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 2580480

約数和(自身を除く): 1049223

約数列:

[1, 3, 7, 13, 21, 39, 71, 79, 91, 213, 237, 273, 497, 553, 923, 1027, 1491, 1659, 2769, 3081, 5609, 6461, 7189, 16827, 19383, 21567, 39263, 72917, 117789, 218751, 510419, 1531257]

約数ペア:

[(1, 1531257), (3, 510419), (7, 218751), (13, 117789), (21, 72917), (39, 39263), (71, 21567), (79, 19383), (91, 16827), (213, 7189), (237, 6461), (273, 5609), (497, 3081), (553, 2769), (923, 1659), (1027, 1491)]