28781025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4217}}^1$

素因数の和:4250

約数の個数: 48

約数和(自身を含む): 58579584

約数和(自身を除く): 29798559

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 4217, 6825, 12651, 21085, 29519, 54821, 63255, 88557, 105425, 147595, 164463, 274105, 316275, 383747, 442785, 737975, 822315, 1151241, 1370525, 1918735, 2213925, 4111575, 5756205, 9593675, 28781025]

約数ペア:

[(1, 28781025), (3, 9593675), (5, 5756205), (7, 4111575), (13, 2213925), (15, 1918735), (21, 1370525), (25, 1151241), (35, 822315), (39, 737975), (65, 442785), (75, 383747), (91, 316275), (105, 274105), (175, 164463), (195, 147595), (273, 105425), (325, 88557), (455, 63255), (525, 54821), (975, 29519), (1365, 21085), (2275, 12651), (4217, 6825)]