31239075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 59559680

約数和(自身を除く): 28320605

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 157, 175, 379, 471, 525, 785, 1099, 1137, 1895, 2355, 2653, 3297, 3925, 5495, 5685, 7959, 9475, 11775, 13265, 16485, 27475, 28425, 39795, 59503, 66325, 82425, 178509, 198975, 297515, 416521, 892545, 1249563, 1487575, 2082605, 4462725, 6247815, 10413025, 31239075]

約数ペア:

[(1, 31239075), (3, 10413025), (5, 6247815), (7, 4462725), (15, 2082605), (21, 1487575), (25, 1249563), (35, 892545), (75, 416521), (105, 297515), (157, 198975), (175, 178509), (379, 82425), (471, 66325), (525, 59503), (785, 39795), (1099, 28425), (1137, 27475), (1895, 16485), (2355, 13265), (2653, 11775), (3297, 9475), (3925, 7959), (5495, 5685)]