81539871

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 136187136

約数和(自身を除く): 54647265

約数列:

[1, 3, 7, 17, 21, 49, 51, 67, 119, 147, 201, 357, 469, 487, 833, 1139, 1407, 1461, 2499, 3283, 3409, 3417, 7973, 8279, 9849, 10227, 23863, 23919, 24837, 32629, 55811, 57953, 71589, 97887, 167433, 173859, 228403, 405671, 554693, 685209, 1217013, 1598821, 1664079, 3882851, 4796463, 11648553, 27179957, 81539871]

約数ペア:

[(1, 81539871), (3, 27179957), (7, 11648553), (17, 4796463), (21, 3882851), (49, 1664079), (51, 1598821), (67, 1217013), (119, 685209), (147, 554693), (201, 405671), (357, 228403), (469, 173859), (487, 167433), (833, 97887), (1139, 71589), (1407, 57953), (1461, 55811), (2499, 32629), (3283, 24837), (3409, 23919), (3417, 23863), (7973, 10227), (8279, 9849)]