15990285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 27492480

約数和(自身を除く): 11502195

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 859, 1095, 1241, 2577, 3723, 4295, 6205, 12885, 14603, 18615, 43809, 62707, 73015, 188121, 219045, 313535, 940605, 1066019, 3198057, 5330095, 15990285]

約数ペア:

[(1, 15990285), (3, 5330095), (5, 3198057), (15, 1066019), (17, 940605), (51, 313535), (73, 219045), (85, 188121), (219, 73015), (255, 62707), (365, 43809), (859, 18615), (1095, 14603), (1241, 12885), (2577, 6205), (3723, 4295)]