77257725

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 131693952

約数和(自身を除く): 54436227

約数列:

[1, 3, 5, 15, 25, 73, 75, 103, 137, 219, 309, 365, 411, 515, 685, 1095, 1545, 1825, 2055, 2575, 3425, 5475, 7519, 7725, 10001, 10275, 14111, 22557, 30003, 37595, 42333, 50005, 70555, 112785, 150015, 187975, 211665, 250025, 352775, 563925, 750075, 1030103, 1058325, 3090309, 5150515, 15451545, 25752575, 77257725]

約数ペア:

[(1, 77257725), (3, 25752575), (5, 15451545), (15, 5150515), (25, 3090309), (73, 1058325), (75, 1030103), (103, 750075), (137, 563925), (219, 352775), (309, 250025), (365, 211665), (411, 187975), (515, 150015), (685, 112785), (1095, 70555), (1545, 50005), (1825, 42333), (2055, 37595), (2575, 30003), (3425, 22557), (5475, 14111), (7519, 10275), (7725, 10001)]