128589525

素因数分解:

$3^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 243463584

約数和(自身を除く): 114874059

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 243, 305, 347, 405, 549, 675, 915, 1041, 1215, 1525, 1647, 1735, 2025, 2745, 3123, 4575, 4941, 5205, 6075, 8235, 8675, 9369, 13725, 14823, 15615, 21167, 24705, 26025, 28107, 41175, 46845, 63501, 74115, 78075, 84321, 105835, 123525, 140535, 190503, 234225, 317505, 370575, 421605, 529175, 571509, 702675, 952515, 1587525, 1714527, 2108025, 2857545, 4762575, 5143581, 8572635, 14287725, 25717905, 42863175, 128589525]

約数ペア:

[(1, 128589525), (3, 42863175), (5, 25717905), (9, 14287725), (15, 8572635), (25, 5143581), (27, 4762575), (45, 2857545), (61, 2108025), (75, 1714527), (81, 1587525), (135, 952515), (183, 702675), (225, 571509), (243, 529175), (305, 421605), (347, 370575), (405, 317505), (549, 234225), (675, 190503), (915, 140535), (1041, 123525), (1215, 105835), (1525, 84321), (1647, 78075), (1735, 74115), (2025, 63501), (2745, 46845), (3123, 41175), (4575, 28107), (4941, 26025), (5205, 24705), (6075, 21167), (8235, 15615), (8675, 14823), (9369, 13725)]