138648465

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9907}}^1$

素因数の和:10229

約数の個数: 24

約数和(自身を含む): 241121088

約数和(自身を除く): 102472623

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1555, 2799, 4665, 9907, 13995, 29721, 49535, 89163, 148605, 445815, 3081077, 9243231, 15405385, 27729693, 46216155, 138648465]

約数ペア:

[(1, 138648465), (3, 46216155), (5, 27729693), (9, 15405385), (15, 9243231), (45, 3081077), (311, 445815), (933, 148605), (1555, 89163), (2799, 49535), (4665, 29721), (9907, 13995)]