127998975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 232297632

約数和(自身を除く): 104298657

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 689, 795, 975, 1325, 2067, 2477, 3445, 3975, 7431, 10335, 12385, 17225, 32201, 37155, 51675, 61925, 96603, 131281, 161005, 185775, 393843, 483015, 656405, 805025, 1706653, 1969215, 2415075, 3282025, 5119959, 8533265, 9846075, 25599795, 42666325, 127998975]

約数ペア:

[(1, 127998975), (3, 42666325), (5, 25599795), (13, 9846075), (15, 8533265), (25, 5119959), (39, 3282025), (53, 2415075), (65, 1969215), (75, 1706653), (159, 805025), (195, 656405), (265, 483015), (325, 393843), (689, 185775), (795, 161005), (975, 131281), (1325, 96603), (2067, 61925), (2477, 51675), (3445, 37155), (3975, 32201), (7431, 17225), (10335, 12385)]