399878895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{2251}}^1$

素因数の和:3183

約数の個数: 32

約数和(自身を含む): 690084864

約数和(自身を除く): 290205969

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 911, 2251, 2733, 4555, 6753, 11255, 11843, 13665, 29263, 33765, 35529, 59215, 87789, 146315, 177645, 438945, 2050661, 6151983, 10253305, 26658593, 30759915, 79975779, 133292965, 399878895]

約数ペア:

[(1, 399878895), (3, 133292965), (5, 79975779), (13, 30759915), (15, 26658593), (39, 10253305), (65, 6151983), (195, 2050661), (911, 438945), (2251, 177645), (2733, 146315), (4555, 87789), (6753, 59215), (11255, 35529), (11843, 33765), (13665, 29263)]