17928521775

素因数分解:

$3^5\times 5^2\times {\mathrm{1381}}^1\times {\mathrm{2137}}^1$

素因数の和:3543

約数の個数: 72

約数和(自身を含む): 33341015344

約数和(自身を除く): 15412493569

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 1381, 2025, 2137, 4143, 6075, 6411, 6905, 10685, 12429, 19233, 20715, 32055, 34525, 37287, 53425, 57699, 62145, 96165, 103575, 111861, 160275, 173097, 186435, 288495, 310725, 335583, 480825, 519291, 559305, 865485, 932175, 1442475, 1677915, 2596455, 2796525, 2951197, 4327425, 8389575, 8853591, 12982275, 14755985, 26560773, 44267955, 73779925, 79682319, 132803865, 221339775, 239046957, 398411595, 664019325, 717140871, 1195234785, 1992057975, 3585704355, 5976173925, 17928521775]

約数ペア:

[(1, 17928521775), (3, 5976173925), (5, 3585704355), (9, 1992057975), (15, 1195234785), (25, 717140871), (27, 664019325), (45, 398411595), (75, 239046957), (81, 221339775), (135, 132803865), (225, 79682319), (243, 73779925), (405, 44267955), (675, 26560773), (1215, 14755985), (1381, 12982275), (2025, 8853591), (2137, 8389575), (4143, 4327425), (6075, 2951197), (6411, 2796525), (6905, 2596455), (10685, 1677915), (12429, 1442475), (19233, 932175), (20715, 865485), (32055, 559305), (34525, 519291), (37287, 480825), (53425, 335583), (57699, 310725), (62145, 288495), (96165, 186435), (103575, 173097), (111861, 160275)]