38828025

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 77495040

約数和(自身を除く): 38667015

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 41, 45, 61, 69, 75, 115, 123, 135, 183, 205, 207, 225, 305, 345, 369, 549, 575, 615, 621, 675, 915, 943, 1025, 1035, 1107, 1403, 1525, 1647, 1725, 1845, 2501, 2745, 2829, 3075, 3105, 4209, 4575, 4715, 5175, 5535, 7015, 7503, 8235, 8487, 9225, 12505, 12627, 13725, 14145, 15525, 21045, 22509, 23575, 25461, 27675, 35075, 37515, 37881, 41175, 42435, 57523, 62525, 63135, 67527, 70725, 105225, 112545, 127305, 172569, 187575, 189405, 212175, 287615, 315675, 337635, 517707, 562725, 636525, 862845, 947025, 1438075, 1553121, 1688175, 2588535, 4314225, 7765605, 12942675, 38828025]

約数ペア:

[(1, 38828025), (3, 12942675), (5, 7765605), (9, 4314225), (15, 2588535), (23, 1688175), (25, 1553121), (27, 1438075), (41, 947025), (45, 862845), (61, 636525), (69, 562725), (75, 517707), (115, 337635), (123, 315675), (135, 287615), (183, 212175), (205, 189405), (207, 187575), (225, 172569), (305, 127305), (345, 112545), (369, 105225), (549, 70725), (575, 67527), (615, 63135), (621, 62525), (675, 57523), (915, 42435), (943, 41175), (1025, 37881), (1035, 37515), (1107, 35075), (1403, 27675), (1525, 25461), (1647, 23575), (1725, 22509), (1845, 21045), (2501, 15525), (2745, 14145), (2829, 13725), (3075, 12627), (3105, 12505), (4209, 9225), (4575, 8487), (4715, 8235), (5175, 7503), (5535, 7015)]