213142725

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{13729}}^1$

素因数の和:13771

約数の個数: 48

約数和(自身を含む): 408604800

約数和(自身を除く): 195462075

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 3105, 5175, 13729, 15525, 41187, 68645, 123561, 205935, 315767, 343225, 370683, 617805, 947301, 1029675, 1578835, 1853415, 2841903, 3089025, 4736505, 7894175, 8525709, 9267075, 14209515, 23682525, 42628545, 71047575, 213142725]

約数ペア:

[(1, 213142725), (3, 71047575), (5, 42628545), (9, 23682525), (15, 14209515), (23, 9267075), (25, 8525709), (27, 7894175), (45, 4736505), (69, 3089025), (75, 2841903), (115, 1853415), (135, 1578835), (207, 1029675), (225, 947301), (345, 617805), (575, 370683), (621, 343225), (675, 315767), (1035, 205935), (1725, 123561), (3105, 68645), (5175, 41187), (13729, 15525)]