27637605

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 53141088

約数和(自身を除く): 25503483

約数列:

[1, 3, 5, 9, 15, 23, 27, 43, 45, 69, 81, 115, 129, 135, 207, 215, 243, 345, 387, 405, 529, 621, 645, 989, 1035, 1161, 1215, 1587, 1863, 1935, 2645, 2967, 3105, 3483, 4761, 4945, 5589, 5805, 7935, 8901, 9315, 10449, 14283, 14835, 17415, 22747, 23805, 26703, 27945, 42849, 44505, 52245, 68241, 71415, 80109, 113735, 128547, 133515, 204723, 214245, 240327, 341205, 400545, 614169, 642735, 1023615, 1201635, 1842507, 3070845, 5527521, 9212535, 27637605]

約数ペア:

[(1, 27637605), (3, 9212535), (5, 5527521), (9, 3070845), (15, 1842507), (23, 1201635), (27, 1023615), (43, 642735), (45, 614169), (69, 400545), (81, 341205), (115, 240327), (129, 214245), (135, 204723), (207, 133515), (215, 128547), (243, 113735), (345, 80109), (387, 71415), (405, 68241), (529, 52245), (621, 44505), (645, 42849), (989, 27945), (1035, 26703), (1161, 23805), (1215, 22747), (1587, 17415), (1863, 14835), (1935, 14283), (2645, 10449), (2967, 9315), (3105, 8901), (3483, 7935), (4761, 5805), (4945, 5589)]