2691975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 5249664

約数和(自身を除く): 2557689

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 251, 275, 325, 429, 715, 753, 825, 975, 1255, 2145, 2761, 3263, 3575, 3765, 6275, 8283, 9789, 10725, 13805, 16315, 18825, 35893, 41415, 48945, 69025, 81575, 107679, 179465, 207075, 244725, 538395, 897325, 2691975]

約数ペア:

[(1, 2691975), (3, 897325), (5, 538395), (11, 244725), (13, 207075), (15, 179465), (25, 107679), (33, 81575), (39, 69025), (55, 48945), (65, 41415), (75, 35893), (143, 18825), (165, 16315), (195, 13805), (251, 10725), (275, 9789), (325, 8283), (429, 6275), (715, 3765), (753, 3575), (825, 3263), (975, 2761), (1255, 2145)]