74547525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 133852544

約数和(自身を除く): 59305019

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 195, 325, 471, 487, 785, 975, 1461, 2041, 2355, 2435, 3925, 6123, 6331, 7305, 10205, 11775, 12175, 18993, 30615, 31655, 36525, 51025, 76459, 94965, 153075, 158275, 229377, 382295, 474825, 993967, 1146885, 1911475, 2981901, 4969835, 5734425, 14909505, 24849175, 74547525]

約数ペア:

[(1, 74547525), (3, 24849175), (5, 14909505), (13, 5734425), (15, 4969835), (25, 2981901), (39, 1911475), (65, 1146885), (75, 993967), (157, 474825), (195, 382295), (325, 229377), (471, 158275), (487, 153075), (785, 94965), (975, 76459), (1461, 51025), (2041, 36525), (2355, 31655), (2435, 30615), (3925, 18993), (6123, 12175), (6331, 11775), (7305, 10205)]