289380975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{296801}}^1$

素因数の和:296827

約数の個数: 24

約数和(自身を含む): 515248272

約数和(自身を除く): 225867297

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 296801, 890403, 1484005, 3858413, 4452015, 7420025, 11575239, 19292065, 22260075, 57876195, 96460325, 289380975]

約数ペア:

[(1, 289380975), (3, 96460325), (5, 57876195), (13, 22260075), (15, 19292065), (25, 11575239), (39, 7420025), (65, 4452015), (75, 3858413), (195, 1484005), (325, 890403), (975, 296801)]