31229331

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 22960749

約数列:

[1, 3, 7, 19, 21, 23, 41, 57, 69, 83, 123, 133, 161, 249, 287, 399, 437, 483, 581, 779, 861, 943, 1311, 1577, 1743, 1909, 2337, 2829, 3059, 3403, 4731, 5453, 5727, 6601, 9177, 10209, 11039, 13363, 16359, 17917, 19803, 23821, 33117, 36271, 40089, 53751, 64657, 71463, 78269, 108813, 125419, 193971, 234807, 253897, 376257, 452599, 547883, 761691, 1357797, 1487111, 1643649, 4461333, 10409777, 31229331]

約数ペア:

[(1, 31229331), (3, 10409777), (7, 4461333), (19, 1643649), (21, 1487111), (23, 1357797), (41, 761691), (57, 547883), (69, 452599), (83, 376257), (123, 253897), (133, 234807), (161, 193971), (249, 125419), (287, 108813), (399, 78269), (437, 71463), (483, 64657), (581, 53751), (779, 40089), (861, 36271), (943, 33117), (1311, 23821), (1577, 19803), (1743, 17917), (1909, 16359), (2337, 13363), (2829, 11039), (3059, 10209), (3403, 9177), (4731, 6601), (5453, 5727)]