189819225

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 352060800

約数和(自身を除く): 162241575

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 79, 177, 181, 225, 237, 295, 395, 531, 543, 711, 885, 905, 1185, 1475, 1629, 1975, 2655, 2715, 3555, 4425, 4525, 4661, 5925, 8145, 10679, 13275, 13575, 13983, 14299, 17775, 23305, 32037, 40725, 41949, 42897, 53395, 69915, 71495, 96111, 116525, 128691, 160185, 209745, 214485, 266975, 349575, 357475, 480555, 643455, 800925, 843641, 1048725, 1072425, 2402775, 2530923, 3217275, 4218205, 7592769, 12654615, 21091025, 37963845, 63273075, 189819225]

約数ペア:

[(1, 189819225), (3, 63273075), (5, 37963845), (9, 21091025), (15, 12654615), (25, 7592769), (45, 4218205), (59, 3217275), (75, 2530923), (79, 2402775), (177, 1072425), (181, 1048725), (225, 843641), (237, 800925), (295, 643455), (395, 480555), (531, 357475), (543, 349575), (711, 266975), (885, 214485), (905, 209745), (1185, 160185), (1475, 128691), (1629, 116525), (1975, 96111), (2655, 71495), (2715, 69915), (3555, 53395), (4425, 42897), (4525, 41949), (4661, 40725), (5925, 32037), (8145, 23305), (10679, 17775), (13275, 14299), (13575, 13983)]