1681487925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{2617}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 2999599680

約数和(自身を除く): 1318111755

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 659, 975, 1977, 2617, 3295, 7851, 8567, 9885, 13085, 16475, 25701, 34021, 39255, 42835, 49425, 65425, 102063, 128505, 170105, 196275, 214175, 510315, 642525, 850525, 1724603, 2551575, 5173809, 8623015, 22419839, 25869045, 43115075, 67259517, 112099195, 129345225, 336297585, 560495975, 1681487925]

約数ペア:

[(1, 1681487925), (3, 560495975), (5, 336297585), (13, 129345225), (15, 112099195), (25, 67259517), (39, 43115075), (65, 25869045), (75, 22419839), (195, 8623015), (325, 5173809), (659, 2551575), (975, 1724603), (1977, 850525), (2617, 642525), (3295, 510315), (7851, 214175), (8567, 196275), (9885, 170105), (13085, 128505), (16475, 102063), (25701, 65425), (34021, 49425), (39255, 42835)]