169180389

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 305054880

約数和(自身を除く): 135874491

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 61, 63, 133, 147, 171, 183, 331, 399, 427, 441, 549, 931, 993, 1159, 1197, 1281, 2317, 2793, 2979, 2989, 3477, 3843, 6289, 6951, 8113, 8379, 8967, 10431, 16219, 18867, 20191, 20853, 24339, 26901, 44023, 48657, 56601, 56791, 60573, 73017, 132069, 141337, 145971, 170373, 181719, 308161, 383629, 396207, 424011, 511119, 924483, 989359, 1150887, 1272033, 2685403, 2773449, 2968077, 3452661, 8056209, 8904231, 18797821, 24168627, 56393463, 169180389]

約数ペア:

[(1, 169180389), (3, 56393463), (7, 24168627), (9, 18797821), (19, 8904231), (21, 8056209), (49, 3452661), (57, 2968077), (61, 2773449), (63, 2685403), (133, 1272033), (147, 1150887), (171, 989359), (183, 924483), (331, 511119), (399, 424011), (427, 396207), (441, 383629), (549, 308161), (931, 181719), (993, 170373), (1159, 145971), (1197, 141337), (1281, 132069), (2317, 73017), (2793, 60573), (2979, 56791), (2989, 56601), (3477, 48657), (3843, 44023), (6289, 26901), (6951, 24339), (8113, 20853), (8379, 20191), (8967, 18867), (10431, 16219)]