27781875

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 60

約数和(自身を含む): 54826200

約数和(自身を除く): 27044325

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 449, 495, 625, 825, 1125, 1347, 1375, 1875, 2245, 2475, 4041, 4125, 4939, 5625, 6735, 6875, 11225, 12375, 14817, 20205, 20625, 24695, 33675, 44451, 56125, 61875, 74085, 101025, 123475, 168375, 222255, 280625, 370425, 505125, 617375, 841875, 1111275, 1852125, 2525625, 3086875, 5556375, 9260625, 27781875]

約数ペア:

[(1, 27781875), (3, 9260625), (5, 5556375), (9, 3086875), (11, 2525625), (15, 1852125), (25, 1111275), (33, 841875), (45, 617375), (55, 505125), (75, 370425), (99, 280625), (125, 222255), (165, 168375), (225, 123475), (275, 101025), (375, 74085), (449, 61875), (495, 56125), (625, 44451), (825, 33675), (1125, 24695), (1347, 20625), (1375, 20205), (1875, 14817), (2245, 12375), (2475, 11225), (4041, 6875), (4125, 6735), (4939, 5625)]