25390521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 41583360

約数和(自身を除く): 16192839

約数列:

[1, 3, 9, 13, 39, 41, 67, 79, 117, 123, 201, 237, 369, 533, 603, 711, 871, 1027, 1599, 2613, 2747, 3081, 3239, 4797, 5293, 7839, 8241, 9243, 9717, 15879, 24723, 29151, 35711, 42107, 47637, 68809, 107133, 126321, 206427, 217013, 321399, 378963, 619281, 651039, 1953117, 2821169, 8463507, 25390521]

約数ペア:

[(1, 25390521), (3, 8463507), (9, 2821169), (13, 1953117), (39, 651039), (41, 619281), (67, 378963), (79, 321399), (117, 217013), (123, 206427), (201, 126321), (237, 107133), (369, 68809), (533, 47637), (603, 42107), (711, 35711), (871, 29151), (1027, 24723), (1599, 15879), (2613, 9717), (2747, 9243), (3081, 8241), (3239, 7839), (4797, 5293)]