90140985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 176843520

約数和(自身を除く): 86702535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 101, 135, 165, 297, 303, 495, 505, 601, 909, 1111, 1485, 1515, 1803, 2727, 3005, 3333, 4545, 5409, 5555, 6611, 9015, 9999, 13635, 16227, 16665, 19833, 27045, 29997, 33055, 49995, 59499, 60701, 81135, 99165, 149985, 178497, 182103, 297495, 303505, 546309, 667711, 892485, 910515, 1638927, 2003133, 2731545, 3338555, 6009399, 8194635, 10015665, 18028197, 30046995, 90140985]

約数ペア:

[(1, 90140985), (3, 30046995), (5, 18028197), (9, 10015665), (11, 8194635), (15, 6009399), (27, 3338555), (33, 2731545), (45, 2003133), (55, 1638927), (99, 910515), (101, 892485), (135, 667711), (165, 546309), (297, 303505), (303, 297495), (495, 182103), (505, 178497), (601, 149985), (909, 99165), (1111, 81135), (1485, 60701), (1515, 59499), (1803, 49995), (2727, 33055), (3005, 29997), (3333, 27045), (4545, 19833), (5409, 16665), (5555, 16227), (6611, 13635), (9015, 9999)]