1311012

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 3472000

約数和(自身を除く): 2160988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 199, 244, 366, 398, 549, 597, 732, 796, 1098, 1194, 1647, 1791, 2196, 2388, 3294, 3582, 5373, 6588, 7164, 10746, 12139, 21492, 24278, 36417, 48556, 72834, 109251, 145668, 218502, 327753, 437004, 655506, 1311012]

約数ペア:

[(1, 1311012), (2, 655506), (3, 437004), (4, 327753), (6, 218502), (9, 145668), (12, 109251), (18, 72834), (27, 48556), (36, 36417), (54, 24278), (61, 21492), (108, 12139), (122, 10746), (183, 7164), (199, 6588), (244, 5373), (366, 3582), (398, 3294), (549, 2388), (597, 2196), (732, 1791), (796, 1647), (1098, 1194)]