65975325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 118492416

約数和(自身を除く): 52517091

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 195, 325, 431, 471, 785, 975, 1293, 2041, 2155, 2355, 3925, 5603, 6123, 6465, 10205, 10775, 11775, 16809, 28015, 30615, 32325, 51025, 67667, 84045, 140075, 153075, 203001, 338335, 420225, 879671, 1015005, 1691675, 2639013, 4398355, 5075025, 13195065, 21991775, 65975325]

約数ペア:

[(1, 65975325), (3, 21991775), (5, 13195065), (13, 5075025), (15, 4398355), (25, 2639013), (39, 1691675), (65, 1015005), (75, 879671), (157, 420225), (195, 338335), (325, 203001), (431, 153075), (471, 140075), (785, 84045), (975, 67667), (1293, 51025), (2041, 32325), (2155, 30615), (2355, 28015), (3925, 16809), (5603, 11775), (6123, 10775), (6465, 10205)]