39639375

素因数分解:

$3^7\times 5^4\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 80

約数和(自身を含む): 76850400

約数和(自身を除く): 37211025

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 125, 135, 145, 225, 243, 261, 375, 405, 435, 625, 675, 725, 729, 783, 1125, 1215, 1305, 1875, 2025, 2175, 2187, 2349, 3375, 3625, 3645, 3915, 5625, 6075, 6525, 7047, 10125, 10875, 10935, 11745, 16875, 18125, 18225, 19575, 21141, 30375, 32625, 35235, 50625, 54375, 54675, 58725, 63423, 91125, 97875, 105705, 151875, 163125, 176175, 273375, 293625, 317115, 455625, 489375, 528525, 880875, 1366875, 1468125, 1585575, 2642625, 4404375, 7927875, 13213125, 39639375]

約数ペア:

[(1, 39639375), (3, 13213125), (5, 7927875), (9, 4404375), (15, 2642625), (25, 1585575), (27, 1468125), (29, 1366875), (45, 880875), (75, 528525), (81, 489375), (87, 455625), (125, 317115), (135, 293625), (145, 273375), (225, 176175), (243, 163125), (261, 151875), (375, 105705), (405, 97875), (435, 91125), (625, 63423), (675, 58725), (725, 54675), (729, 54375), (783, 50625), (1125, 35235), (1215, 32625), (1305, 30375), (1875, 21141), (2025, 19575), (2175, 18225), (2187, 18125), (2349, 16875), (3375, 11745), (3625, 10935), (3645, 10875), (3915, 10125), (5625, 7047), (6075, 6525)]