148970913

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2447}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 245661696

約数和(自身を除く): 96690783

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1561, 2447, 2899, 4683, 7341, 8697, 17129, 20293, 31811, 51387, 60879, 95433, 222677, 545681, 668031, 1637043, 3819767, 7093853, 11459301, 21281559, 49656971, 148970913]

約数ペア:

[(1, 148970913), (3, 49656971), (7, 21281559), (13, 11459301), (21, 7093853), (39, 3819767), (91, 1637043), (223, 668031), (273, 545681), (669, 222677), (1561, 95433), (2447, 60879), (2899, 51387), (4683, 31811), (7341, 20293), (8697, 17129)]