2017521225

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 3693736800

約数和(自身を除く): 1676215575

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 379, 401, 531, 885, 1137, 1203, 1475, 1895, 2005, 2655, 3411, 3609, 4425, 5685, 6015, 9475, 10025, 13275, 17055, 18045, 22361, 23659, 28425, 30075, 67083, 70977, 85275, 90225, 111805, 118295, 151979, 201249, 212931, 335415, 354885, 455937, 559025, 591475, 759895, 1006245, 1064655, 1367811, 1677075, 1774425, 2279685, 3799475, 5031225, 5323275, 6839055, 8966761, 11398425, 26900283, 34195275, 44833805, 80700849, 134501415, 224169025, 403504245, 672507075, 2017521225]

約数ペア:

[(1, 2017521225), (3, 672507075), (5, 403504245), (9, 224169025), (15, 134501415), (25, 80700849), (45, 44833805), (59, 34195275), (75, 26900283), (177, 11398425), (225, 8966761), (295, 6839055), (379, 5323275), (401, 5031225), (531, 3799475), (885, 2279685), (1137, 1774425), (1203, 1677075), (1475, 1367811), (1895, 1064655), (2005, 1006245), (2655, 759895), (3411, 591475), (3609, 559025), (4425, 455937), (5685, 354885), (6015, 335415), (9475, 212931), (10025, 201249), (13275, 151979), (17055, 118295), (18045, 111805), (22361, 90225), (23659, 85275), (28425, 70977), (30075, 67083)]