28005456213

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{2287}}^1$

素因数の和:2645

約数の個数: 96

約数和(自身を含む): 50209775616

約数和(自身を除く): 22204319403

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 313, 483, 567, 621, 939, 1449, 1701, 1863, 2191, 2287, 2817, 4347, 5589, 6573, 6861, 7199, 8451, 13041, 16009, 19719, 20583, 21597, 25353, 39123, 48027, 50393, 52601, 59157, 61749, 64791, 76059, 144081, 151179, 157803, 177471, 185247, 194373, 368207, 432243, 453537, 473409, 532413, 555741, 583119, 715831, 1104621, 1296729, 1360611, 1420227, 1749357, 2147493, 3313863, 3890187, 4081833, 4260681, 5010817, 6442479, 9941589, 12245499, 12782043, 15032451, 16464113, 19327437, 29824767, 45097353, 49392339, 57982311, 89474301, 115248791, 135292059, 148177017, 173946933, 345746373, 405876177, 444531051, 1037239119, 1217628531, 1333593153, 3111717357, 4000779459, 9335152071, 28005456213]

約数ペア:

[(1, 28005456213), (3, 9335152071), (7, 4000779459), (9, 3111717357), (21, 1333593153), (23, 1217628531), (27, 1037239119), (63, 444531051), (69, 405876177), (81, 345746373), (161, 173946933), (189, 148177017), (207, 135292059), (243, 115248791), (313, 89474301), (483, 57982311), (567, 49392339), (621, 45097353), (939, 29824767), (1449, 19327437), (1701, 16464113), (1863, 15032451), (2191, 12782043), (2287, 12245499), (2817, 9941589), (4347, 6442479), (5589, 5010817), (6573, 4260681), (6861, 4081833), (7199, 3890187), (8451, 3313863), (13041, 2147493), (16009, 1749357), (19719, 1420227), (20583, 1360611), (21597, 1296729), (25353, 1104621), (39123, 715831), (48027, 583119), (50393, 555741), (52601, 532413), (59157, 473409), (61749, 453537), (64791, 432243), (76059, 368207), (144081, 194373), (151179, 185247), (157803, 177471)]