16157205

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4127}}^1$

素因数の和:4170

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 13564395

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4127, 12381, 20635, 37143, 61905, 111429, 119683, 185715, 359049, 557145, 598415, 1077147, 1795245, 3231441, 5385735, 16157205]

約数ペア:

[(1, 16157205), (3, 5385735), (5, 3231441), (9, 1795245), (15, 1077147), (27, 598415), (29, 557145), (45, 359049), (87, 185715), (135, 119683), (145, 111429), (261, 61905), (435, 37143), (783, 20635), (1305, 12381), (3915, 4127)]