31647798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^2$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 85005648

約数和(自身を除く): 53357850

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 139, 182, 234, 273, 278, 417, 546, 819, 834, 973, 1251, 1638, 1807, 1946, 2502, 2919, 3614, 5421, 5838, 8757, 10842, 12649, 16263, 17514, 19321, 25298, 32526, 37947, 38642, 57963, 75894, 113841, 115926, 135247, 173889, 227682, 251173, 270494, 347778, 405741, 502346, 753519, 811482, 1217223, 1507038, 1758211, 2260557, 2434446, 3516422, 4521114, 5274633, 10549266, 15823899, 31647798]

約数ペア:

[(1, 31647798), (2, 15823899), (3, 10549266), (6, 5274633), (7, 4521114), (9, 3516422), (13, 2434446), (14, 2260557), (18, 1758211), (21, 1507038), (26, 1217223), (39, 811482), (42, 753519), (63, 502346), (78, 405741), (91, 347778), (117, 270494), (126, 251173), (139, 227682), (182, 173889), (234, 135247), (273, 115926), (278, 113841), (417, 75894), (546, 57963), (819, 38642), (834, 37947), (973, 32526), (1251, 25298), (1638, 19321), (1807, 17514), (1946, 16263), (2502, 12649), (2919, 10842), (3614, 8757), (5421, 5838)]