30155775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 54309024

約数和(自身を除く): 24153249

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 195, 197, 325, 471, 591, 785, 975, 985, 2041, 2355, 2561, 2955, 3925, 4925, 6123, 7683, 10205, 11775, 12805, 14775, 30615, 30929, 38415, 51025, 64025, 92787, 153075, 154645, 192075, 402077, 463935, 773225, 1206231, 2010385, 2319675, 6031155, 10051925, 30155775]

約数ペア:

[(1, 30155775), (3, 10051925), (5, 6031155), (13, 2319675), (15, 2010385), (25, 1206231), (39, 773225), (65, 463935), (75, 402077), (157, 192075), (195, 154645), (197, 153075), (325, 92787), (471, 64025), (591, 51025), (785, 38415), (975, 30929), (985, 30615), (2041, 14775), (2355, 12805), (2561, 11775), (2955, 10205), (3925, 7683), (4925, 6123)]