898016475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1367}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 1567399680

約数和(自身を除く): 669383205

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 461, 475, 1367, 1383, 1425, 2305, 4101, 6835, 6915, 8759, 11525, 20505, 25973, 26277, 34175, 34575, 43795, 77919, 102525, 129865, 131385, 218975, 389595, 630187, 649325, 656925, 1890561, 1947975, 3150935, 9452805, 11973553, 15754675, 35920659, 47264025, 59867765, 179603295, 299338825, 898016475]

約数ペア:

[(1, 898016475), (3, 299338825), (5, 179603295), (15, 59867765), (19, 47264025), (25, 35920659), (57, 15754675), (75, 11973553), (95, 9452805), (285, 3150935), (461, 1947975), (475, 1890561), (1367, 656925), (1383, 649325), (1425, 630187), (2305, 389595), (4101, 218975), (6835, 131385), (6915, 129865), (8759, 102525), (11525, 77919), (20505, 43795), (25973, 34575), (26277, 34175)]