678636075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2477}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 1213109856

約数和(自身を除く): 534473781

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 281, 325, 843, 975, 1405, 2477, 3653, 4215, 7025, 7431, 10959, 12385, 18265, 21075, 32201, 37155, 54795, 61925, 91325, 96603, 161005, 185775, 273975, 483015, 696037, 805025, 2088111, 2415075, 3480185, 9048481, 10440555, 17400925, 27145443, 45242405, 52202775, 135727215, 226212025, 678636075]

約数ペア:

[(1, 678636075), (3, 226212025), (5, 135727215), (13, 52202775), (15, 45242405), (25, 27145443), (39, 17400925), (65, 10440555), (75, 9048481), (195, 3480185), (281, 2415075), (325, 2088111), (843, 805025), (975, 696037), (1405, 483015), (2477, 273975), (3653, 185775), (4215, 161005), (7025, 96603), (7431, 91325), (10959, 61925), (12385, 54795), (18265, 37155), (21075, 32201)]