668601921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 974695680

約数和(自身を除く): 306093759

約数列:

[1, 3, 13, 39, 101, 269, 303, 631, 807, 1313, 1893, 3497, 3939, 8203, 10491, 24609, 27169, 63731, 81507, 169739, 191193, 353197, 509217, 828503, 1059591, 2206607, 2485509, 6619821, 17143639, 51430917, 222867307, 668601921]

約数ペア:

[(1, 668601921), (3, 222867307), (13, 51430917), (39, 17143639), (101, 6619821), (269, 2485509), (303, 2206607), (631, 1059591), (807, 828503), (1313, 509217), (1893, 353197), (3497, 191193), (3939, 169739), (8203, 81507), (10491, 63731), (24609, 27169)]