1918396319985

素因数分解:

$3^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1993}}^1\times {\mathrm{6271}}^1$

素因数の和:8660

約数の個数: 80

約数和(自身を含む): 3450256803840

約数和(自身を除く): 1531860483855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 379, 405, 1137, 1895, 1993, 3411, 5685, 5979, 6271, 9965, 10233, 17055, 17937, 18813, 29895, 30699, 31355, 51165, 53811, 56439, 89685, 94065, 153495, 161433, 169317, 269055, 282195, 507951, 755347, 807165, 846585, 2266041, 2376709, 2539755, 3776735, 6798123, 7130127, 11330205, 11883545, 12498103, 20394369, 21390381, 33990615, 35650635, 37494309, 61183107, 62490515, 64171143, 101971845, 106951905, 112482927, 187471545, 192513429, 305915535, 320855715, 337448781, 562414635, 962567145, 1012346343, 1687243905, 4736781037, 5061731715, 14210343111, 23683905185, 42631029333, 71051715555, 127893087999, 213155146665, 383679263997, 639465439995, 1918396319985]

約数ペア:

[(1, 1918396319985), (3, 639465439995), (5, 383679263997), (9, 213155146665), (15, 127893087999), (27, 71051715555), (45, 42631029333), (81, 23683905185), (135, 14210343111), (379, 5061731715), (405, 4736781037), (1137, 1687243905), (1895, 1012346343), (1993, 962567145), (3411, 562414635), (5685, 337448781), (5979, 320855715), (6271, 305915535), (9965, 192513429), (10233, 187471545), (17055, 112482927), (17937, 106951905), (18813, 101971845), (29895, 64171143), (30699, 62490515), (31355, 61183107), (51165, 37494309), (53811, 35650635), (56439, 33990615), (89685, 21390381), (94065, 20394369), (153495, 12498103), (161433, 11883545), (169317, 11330205), (269055, 7130127), (282195, 6798123), (507951, 3776735), (755347, 2539755), (807165, 2376709), (846585, 2266041)]