31357965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 52246656

約数和(自身を除く): 20888691

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 797, 915, 2391, 2623, 3985, 7869, 11955, 13115, 34271, 39345, 48617, 102813, 145851, 171355, 243085, 514065, 729255, 2090531, 6271593, 10452655, 31357965]

約数ペア:

[(1, 31357965), (3, 10452655), (5, 6271593), (15, 2090531), (43, 729255), (61, 514065), (129, 243085), (183, 171355), (215, 145851), (305, 102813), (645, 48617), (797, 39345), (915, 34271), (2391, 13115), (2623, 11955), (3985, 7869)]