31484313

素因数分解:

$3^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 60

約数和(自身を含む): 55930368

約数和(自身を除く): 24446055

約数列:

[1, 3, 7, 9, 21, 31, 47, 49, 63, 93, 141, 147, 217, 279, 329, 343, 423, 441, 651, 987, 1029, 1457, 1519, 1953, 2303, 2401, 2961, 3087, 4371, 4557, 6909, 7203, 10199, 10633, 13113, 13671, 16121, 20727, 21609, 30597, 31899, 48363, 71393, 74431, 91791, 95697, 112847, 145089, 214179, 223293, 338541, 499751, 642537, 669879, 1015623, 1499253, 3498257, 4497759, 10494771, 31484313]

約数ペア:

[(1, 31484313), (3, 10494771), (7, 4497759), (9, 3498257), (21, 1499253), (31, 1015623), (47, 669879), (49, 642537), (63, 499751), (93, 338541), (141, 223293), (147, 214179), (217, 145089), (279, 112847), (329, 95697), (343, 91791), (423, 74431), (441, 71393), (651, 48363), (987, 31899), (1029, 30597), (1457, 21609), (1519, 20727), (1953, 16121), (2303, 13671), (2401, 13113), (2961, 10633), (3087, 10199), (4371, 7203), (4557, 6909)]