1900997901

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1\times {\mathrm{619}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 3051709440

約数和(自身を除く): 1150711539

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 463, 603, 619, 737, 1389, 1857, 2211, 4167, 5093, 5571, 6633, 6809, 15279, 20427, 31021, 41473, 45837, 61281, 93063, 124419, 279189, 286597, 341231, 373257, 456203, 859791, 1023693, 1368609, 2579373, 3071079, 3152567, 4105827, 9457701, 19201999, 28373103, 57605997, 172817991, 211221989, 633665967, 1900997901]

約数ペア:

[(1, 1900997901), (3, 633665967), (9, 211221989), (11, 172817991), (33, 57605997), (67, 28373103), (99, 19201999), (201, 9457701), (463, 4105827), (603, 3152567), (619, 3071079), (737, 2579373), (1389, 1368609), (1857, 1023693), (2211, 859791), (4167, 456203), (5093, 373257), (5571, 341231), (6633, 286597), (6809, 279189), (15279, 124419), (20427, 93063), (31021, 61281), (41473, 45837)]