61991433

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 112691200

約数和(自身を除く): 50699767

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 133, 171, 183, 189, 283, 399, 427, 513, 549, 849, 1159, 1197, 1281, 1647, 1981, 2547, 3477, 3591, 3843, 5377, 5943, 7641, 8113, 10431, 11529, 16131, 17263, 17829, 24339, 31293, 37639, 48393, 51789, 53487, 73017, 112917, 120841, 145179, 155367, 219051, 327997, 338751, 362523, 466101, 983991, 1016253, 1087569, 2295979, 2951973, 3262707, 6887937, 8855919, 20663811, 61991433]

約数ペア:

[(1, 61991433), (3, 20663811), (7, 8855919), (9, 6887937), (19, 3262707), (21, 2951973), (27, 2295979), (57, 1087569), (61, 1016253), (63, 983991), (133, 466101), (171, 362523), (183, 338751), (189, 327997), (283, 219051), (399, 155367), (427, 145179), (513, 120841), (549, 112917), (849, 73017), (1159, 53487), (1197, 51789), (1281, 48393), (1647, 37639), (1981, 31293), (2547, 24339), (3477, 17829), (3591, 17263), (3843, 16131), (5377, 11529), (5943, 10431), (7641, 8113)]