149771775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 265082240

約数和(自身を除く): 115310465

約数列:

[1, 3, 5, 15, 19, 25, 57, 61, 75, 95, 183, 285, 305, 475, 915, 1159, 1425, 1525, 1723, 3477, 4575, 5169, 5795, 8615, 17385, 25845, 28975, 32737, 43075, 86925, 98211, 105103, 129225, 163685, 315309, 491055, 525515, 818425, 1576545, 1996957, 2455275, 2627575, 5990871, 7882725, 9984785, 29954355, 49923925, 149771775]

約数ペア:

[(1, 149771775), (3, 49923925), (5, 29954355), (15, 9984785), (19, 7882725), (25, 5990871), (57, 2627575), (61, 2455275), (75, 1996957), (95, 1576545), (183, 818425), (285, 525515), (305, 491055), (475, 315309), (915, 163685), (1159, 129225), (1425, 105103), (1525, 98211), (1723, 86925), (3477, 43075), (4575, 32737), (5169, 28975), (5795, 25845), (8615, 17385)]