81131625

素因数分解:

$3^5\times 5^3\times {\mathrm{2671}}^1$

素因数の和:2701

約数の個数: 48

約数和(自身を含む): 151726848

約数和(自身を除く): 70595223

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 1125, 1215, 2025, 2671, 3375, 6075, 8013, 10125, 13355, 24039, 30375, 40065, 66775, 72117, 120195, 200325, 216351, 333875, 360585, 600975, 649053, 1001625, 1081755, 1802925, 3004875, 3245265, 5408775, 9014625, 16226325, 27043875, 81131625]

約数ペア:

[(1, 81131625), (3, 27043875), (5, 16226325), (9, 9014625), (15, 5408775), (25, 3245265), (27, 3004875), (45, 1802925), (75, 1081755), (81, 1001625), (125, 649053), (135, 600975), (225, 360585), (243, 333875), (375, 216351), (405, 200325), (675, 120195), (1125, 72117), (1215, 66775), (2025, 40065), (2671, 30375), (3375, 24039), (6075, 13355), (8013, 10125)]