39389025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 71245440

約数和(自身を除く): 31856415

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 569, 923, 975, 1065, 1707, 1775, 2769, 2845, 4615, 5325, 7397, 8535, 13845, 14225, 22191, 23075, 36985, 40399, 42675, 69225, 110955, 121197, 184925, 201995, 525187, 554775, 605985, 1009975, 1575561, 2625935, 3029925, 7877805, 13129675, 39389025]

約数ペア:

[(1, 39389025), (3, 13129675), (5, 7877805), (13, 3029925), (15, 2625935), (25, 1575561), (39, 1009975), (65, 605985), (71, 554775), (75, 525187), (195, 201995), (213, 184925), (325, 121197), (355, 110955), (569, 69225), (923, 42675), (975, 40399), (1065, 36985), (1707, 23075), (1775, 22191), (2769, 14225), (2845, 13845), (4615, 8535), (5325, 7397)]