68442915

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 112349952

約数和(自身を除く): 43907037

約数列:

[1, 3, 5, 15, 61, 131, 183, 305, 393, 571, 655, 915, 1713, 1965, 2855, 7991, 8565, 23973, 34831, 39955, 74801, 104493, 119865, 174155, 224403, 374005, 522465, 1122015, 4562861, 13688583, 22814305, 68442915]

約数ペア:

[(1, 68442915), (3, 22814305), (5, 13688583), (15, 4562861), (61, 1122015), (131, 522465), (183, 374005), (305, 224403), (393, 174155), (571, 119865), (655, 104493), (915, 74801), (1713, 39955), (1965, 34831), (2855, 23973), (7991, 8565)]