420228765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 812657664

約数和(自身を除く): 392428899

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 121, 165, 213, 355, 363, 495, 605, 639, 781, 1065, 1087, 1089, 1815, 2343, 3195, 3261, 3905, 5435, 5445, 7029, 8591, 9783, 11715, 11957, 16305, 25773, 35145, 35871, 42955, 48915, 59785, 77177, 77319, 107613, 128865, 131527, 179355, 231531, 385885, 386595, 394581, 538065, 657635, 694593, 848947, 1157655, 1183743, 1972905, 2546841, 3472965, 4244735, 5918715, 7640523, 9338417, 12734205, 28015251, 38202615, 46692085, 84045753, 140076255, 420228765]

約数ペア:

[(1, 420228765), (3, 140076255), (5, 84045753), (9, 46692085), (11, 38202615), (15, 28015251), (33, 12734205), (45, 9338417), (55, 7640523), (71, 5918715), (99, 4244735), (121, 3472965), (165, 2546841), (213, 1972905), (355, 1183743), (363, 1157655), (495, 848947), (605, 694593), (639, 657635), (781, 538065), (1065, 394581), (1087, 386595), (1089, 385885), (1815, 231531), (2343, 179355), (3195, 131527), (3261, 128865), (3905, 107613), (5435, 77319), (5445, 77177), (7029, 59785), (8591, 48915), (9783, 42955), (11715, 35871), (11957, 35145), (16305, 25773)]