28461915

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4903}}^1$

素因数の和:4960

約数の個数: 32

約数和(自身を含む): 51786240

約数和(自身を除く): 23324325

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4903, 5805, 14709, 24515, 44127, 73545, 132381, 210829, 220635, 632487, 661905, 1054145, 1897461, 3162435, 5692383, 9487305, 28461915]

約数ペア:

[(1, 28461915), (3, 9487305), (5, 5692383), (9, 3162435), (15, 1897461), (27, 1054145), (43, 661905), (45, 632487), (129, 220635), (135, 210829), (215, 132381), (387, 73545), (645, 44127), (1161, 24515), (1935, 14709), (4903, 5805)]