27878795

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 42107040

約数和(自身を除く): 14228245

約数列:

[1, 5, 7, 19, 35, 49, 53, 95, 113, 133, 245, 265, 371, 565, 665, 791, 931, 1007, 1855, 2147, 2597, 3955, 4655, 5035, 5537, 5989, 7049, 10735, 12985, 15029, 27685, 29945, 35245, 41923, 49343, 75145, 105203, 113791, 209615, 246715, 293461, 526015, 568955, 796537, 1467305, 3982685, 5575759, 27878795]

約数ペア:

[(1, 27878795), (5, 5575759), (7, 3982685), (19, 1467305), (35, 796537), (49, 568955), (53, 526015), (95, 293461), (113, 246715), (133, 209615), (245, 113791), (265, 105203), (371, 75145), (565, 49343), (665, 41923), (791, 35245), (931, 29945), (1007, 27685), (1855, 15029), (2147, 12985), (2597, 10735), (3955, 7049), (4655, 5989), (5035, 5537)]