15120417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 22675968

約数和(自身を除く): 7555551

約数列:

[1, 3, 13, 39, 47, 73, 113, 141, 219, 339, 611, 949, 1469, 1833, 2847, 3431, 4407, 5311, 8249, 10293, 15933, 24747, 44603, 69043, 107237, 133809, 207129, 321711, 387703, 1163109, 5040139, 15120417]

約数ペア:

[(1, 15120417), (3, 5040139), (13, 1163109), (39, 387703), (47, 321711), (73, 207129), (113, 133809), (141, 107237), (219, 69043), (339, 44603), (611, 24747), (949, 15933), (1469, 10293), (1833, 8249), (2847, 5311), (3431, 4407)]