28663803

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 49096528

約数和(自身を除く): 20432725

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 541, 609, 841, 1623, 1827, 2523, 3787, 4869, 5887, 7569, 11361, 15689, 17661, 34083, 47067, 52983, 109823, 141201, 329469, 454981, 988407, 1364943, 3184867, 4094829, 9554601, 28663803]

約数ペア:

[(1, 28663803), (3, 9554601), (7, 4094829), (9, 3184867), (21, 1364943), (29, 988407), (63, 454981), (87, 329469), (203, 141201), (261, 109823), (541, 52983), (609, 47067), (841, 34083), (1623, 17661), (1827, 15689), (2523, 11361), (3787, 7569), (4869, 5887)]