12721428

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2005

約数の個数: 48

約数和(自身を含む): 33539520

約数和(自身を除く): 20818092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 1931, 2196, 3294, 3862, 5793, 6588, 7724, 11586, 17379, 23172, 34758, 52137, 69516, 104274, 117791, 208548, 235582, 353373, 471164, 706746, 1060119, 1413492, 2120238, 3180357, 4240476, 6360714, 12721428]

約数ペア:

[(1, 12721428), (2, 6360714), (3, 4240476), (4, 3180357), (6, 2120238), (9, 1413492), (12, 1060119), (18, 706746), (27, 471164), (36, 353373), (54, 235582), (61, 208548), (108, 117791), (122, 104274), (183, 69516), (244, 52137), (366, 34758), (549, 23172), (732, 17379), (1098, 11586), (1647, 7724), (1931, 6588), (2196, 5793), (3294, 3862)]