28972305

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^2$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 52301340

約数和(自身を除く): 23329035

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 149, 261, 435, 447, 745, 1305, 1341, 2235, 4321, 6705, 12963, 21605, 22201, 38889, 64815, 66603, 111005, 194445, 199809, 333015, 643829, 999045, 1931487, 3219145, 5794461, 9657435, 28972305]

約数ペア:

[(1, 28972305), (3, 9657435), (5, 5794461), (9, 3219145), (15, 1931487), (29, 999045), (45, 643829), (87, 333015), (145, 199809), (149, 194445), (261, 111005), (435, 66603), (447, 64815), (745, 38889), (1305, 22201), (1341, 21605), (2235, 12963), (4321, 6705)]