78104925

素因数分解:

$3^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 66260835

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 251, 461, 675, 753, 1255, 1383, 2259, 2305, 3765, 4149, 6275, 6777, 6915, 11295, 11525, 12447, 18825, 20745, 33885, 34575, 56475, 62235, 103725, 115711, 169425, 311175, 347133, 578555, 1041399, 1735665, 2892775, 3124197, 5206995, 8678325, 15620985, 26034975, 78104925]

約数ペア:

[(1, 78104925), (3, 26034975), (5, 15620985), (9, 8678325), (15, 5206995), (25, 3124197), (27, 2892775), (45, 1735665), (75, 1041399), (135, 578555), (225, 347133), (251, 311175), (461, 169425), (675, 115711), (753, 103725), (1255, 62235), (1383, 56475), (2259, 34575), (2305, 33885), (3765, 20745), (4149, 18825), (6275, 12447), (6777, 11525), (6915, 11295)]