3989925

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 7678080

約数和(自身を除く): 3688155

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 257, 345, 575, 621, 675, 771, 1035, 1285, 1725, 2313, 3105, 3855, 5175, 5911, 6425, 6939, 11565, 15525, 17733, 19275, 29555, 34695, 53199, 57825, 88665, 147775, 159597, 173475, 265995, 443325, 797985, 1329975, 3989925]

約数ペア:

[(1, 3989925), (3, 1329975), (5, 797985), (9, 443325), (15, 265995), (23, 173475), (25, 159597), (27, 147775), (45, 88665), (69, 57825), (75, 53199), (115, 34695), (135, 29555), (207, 19275), (225, 17733), (257, 15525), (345, 11565), (575, 6939), (621, 6425), (675, 5911), (771, 5175), (1035, 3855), (1285, 3105), (1725, 2313)]