644981373

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 1054413360

約数和(自身を除く): 409431987

約数列:

[1, 3, 9, 27, 29, 37, 41, 81, 87, 111, 123, 181, 261, 333, 369, 543, 783, 999, 1073, 1107, 1189, 1517, 1629, 2349, 2997, 3219, 3321, 3567, 4551, 4887, 5249, 6697, 7421, 9657, 10701, 13653, 14661, 15747, 20091, 22263, 28971, 32103, 40959, 43993, 47241, 60273, 66789, 86913, 96309, 122877, 131979, 141723, 180819, 194213, 200367, 215209, 274577, 395937, 425169, 542457, 582639, 601101, 645627, 823731, 1187811, 1747917, 1936881, 2471193, 3563433, 5243751, 5810643, 7413579, 7962733, 15731253, 17431929, 22240737, 23888199, 71664597, 214993791, 644981373]

約数ペア:

[(1, 644981373), (3, 214993791), (9, 71664597), (27, 23888199), (29, 22240737), (37, 17431929), (41, 15731253), (81, 7962733), (87, 7413579), (111, 5810643), (123, 5243751), (181, 3563433), (261, 2471193), (333, 1936881), (369, 1747917), (543, 1187811), (783, 823731), (999, 645627), (1073, 601101), (1107, 582639), (1189, 542457), (1517, 425169), (1629, 395937), (2349, 274577), (2997, 215209), (3219, 200367), (3321, 194213), (3567, 180819), (4551, 141723), (4887, 131979), (5249, 122877), (6697, 96309), (7421, 86913), (9657, 66789), (10701, 60273), (13653, 47241), (14661, 43993), (15747, 40959), (20091, 32103), (22263, 28971)]