2557225215

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{22259}}^1$

素因数の和:22333

約数の個数: 64

約数和(自身を含む): 4872268800

約数和(自身を除く): 2315043585

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 111, 115, 135, 185, 207, 333, 345, 555, 621, 851, 999, 1035, 1665, 2553, 3105, 4255, 4995, 7659, 12765, 22259, 22977, 38295, 66777, 111295, 114885, 200331, 333885, 511957, 600993, 823583, 1001655, 1535871, 2470749, 2559785, 3004965, 4117915, 4607613, 7412247, 7679355, 12353745, 13822839, 18942409, 22236741, 23038065, 37061235, 56827227, 69114195, 94712045, 111183705, 170481681, 284136135, 511445043, 852408405, 2557225215]

約数ペア:

[(1, 2557225215), (3, 852408405), (5, 511445043), (9, 284136135), (15, 170481681), (23, 111183705), (27, 94712045), (37, 69114195), (45, 56827227), (69, 37061235), (111, 23038065), (115, 22236741), (135, 18942409), (185, 13822839), (207, 12353745), (333, 7679355), (345, 7412247), (555, 4607613), (621, 4117915), (851, 3004965), (999, 2559785), (1035, 2470749), (1665, 1535871), (2553, 1001655), (3105, 823583), (4255, 600993), (4995, 511957), (7659, 333885), (12765, 200331), (22259, 114885), (22977, 111295), (38295, 66777)]