27984465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 51908688

約数和(自身を除く): 23924223

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 157, 233, 255, 471, 699, 765, 785, 1165, 1413, 2097, 2355, 2669, 3495, 3961, 7065, 8007, 10485, 11883, 13345, 19805, 24021, 35649, 36581, 40035, 59415, 109743, 120105, 178245, 182905, 329229, 548715, 621877, 1646145, 1865631, 3109385, 5596893, 9328155, 27984465]

約数ペア:

[(1, 27984465), (3, 9328155), (5, 5596893), (9, 3109385), (15, 1865631), (17, 1646145), (45, 621877), (51, 548715), (85, 329229), (153, 182905), (157, 178245), (233, 120105), (255, 109743), (471, 59415), (699, 40035), (765, 36581), (785, 35649), (1165, 24021), (1413, 19805), (2097, 13345), (2355, 11883), (2669, 10485), (3495, 8007), (3961, 7065)]