42644415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 82363392

約数和(自身を除く): 39718977

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 661, 759, 935, 1173, 1265, 1955, 1983, 2805, 3305, 3795, 4301, 5865, 7271, 9915, 11237, 12903, 15203, 21505, 21813, 33711, 36355, 45609, 56185, 64515, 76015, 109065, 123607, 167233, 168555, 228045, 258451, 370821, 501699, 618035, 775353, 836165, 1292255, 1854105, 2508495, 2842961, 3876765, 8528883, 14214805, 42644415]

約数ペア:

[(1, 42644415), (3, 14214805), (5, 8528883), (11, 3876765), (15, 2842961), (17, 2508495), (23, 1854105), (33, 1292255), (51, 836165), (55, 775353), (69, 618035), (85, 501699), (115, 370821), (165, 258451), (187, 228045), (253, 168555), (255, 167233), (345, 123607), (391, 109065), (561, 76015), (661, 64515), (759, 56185), (935, 45609), (1173, 36355), (1265, 33711), (1955, 21813), (1983, 21505), (2805, 15203), (3305, 12903), (3795, 11237), (4301, 9915), (5865, 7271)]