7637265

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 14197248

約数和(自身を除く): 6559983

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 157, 207, 235, 345, 423, 471, 705, 785, 1035, 1081, 1413, 2115, 2355, 3243, 3611, 5405, 7065, 7379, 9729, 10833, 16215, 18055, 22137, 32499, 36895, 48645, 54165, 66411, 110685, 162495, 169717, 332055, 509151, 848585, 1527453, 2545755, 7637265]

約数ペア:

[(1, 7637265), (3, 2545755), (5, 1527453), (9, 848585), (15, 509151), (23, 332055), (45, 169717), (47, 162495), (69, 110685), (115, 66411), (141, 54165), (157, 48645), (207, 36895), (235, 32499), (345, 22137), (423, 18055), (471, 16215), (705, 10833), (785, 9729), (1035, 7379), (1081, 7065), (1413, 5405), (2115, 3611), (2355, 3243)]