31008978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1$

素因数の和:1760

約数の個数: 96

約数和(自身を含む): 90260352

約数和(自身を除く): 59251374

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1287, 1386, 1638, 1721, 2002, 2574, 3003, 3442, 5163, 6006, 9009, 10326, 12047, 15489, 18018, 18931, 22373, 24094, 30978, 36141, 37862, 44746, 56793, 67119, 72282, 108423, 113586, 132517, 134238, 156611, 170379, 201357, 216846, 246103, 265034, 313222, 340758, 397551, 402714, 469833, 492206, 738309, 795102, 939666, 1192653, 1409499, 1476618, 1722721, 2214927, 2385306, 2818998, 3445442, 4429854, 5168163, 10336326, 15504489, 31008978]

約数ペア:

[(1, 31008978), (2, 15504489), (3, 10336326), (6, 5168163), (7, 4429854), (9, 3445442), (11, 2818998), (13, 2385306), (14, 2214927), (18, 1722721), (21, 1476618), (22, 1409499), (26, 1192653), (33, 939666), (39, 795102), (42, 738309), (63, 492206), (66, 469833), (77, 402714), (78, 397551), (91, 340758), (99, 313222), (117, 265034), (126, 246103), (143, 216846), (154, 201357), (182, 170379), (198, 156611), (231, 134238), (234, 132517), (273, 113586), (286, 108423), (429, 72282), (462, 67119), (546, 56793), (693, 44746), (819, 37862), (858, 36141), (1001, 30978), (1287, 24094), (1386, 22373), (1638, 18931), (1721, 18018), (2002, 15489), (2574, 12047), (3003, 10326), (3442, 9009), (5163, 6006)]