291218052357

素因数分解:

$3^5\times {\mathrm{331}}^1\times {\mathrm{401}}^1\times {\mathrm{9029}}^1$

素因数の和:9776

約数の個数: 48

約数和(自身を含む): 438685490880

約数和(自身を除く): 147467438523

約数列:

[1, 3, 9, 27, 81, 243, 331, 401, 993, 1203, 2979, 3609, 8937, 9029, 10827, 26811, 27087, 32481, 80433, 81261, 97443, 132731, 243783, 398193, 731349, 1194579, 2194047, 2988599, 3583737, 3620629, 8965797, 10751211, 10861887, 26897391, 32253633, 32585661, 80692173, 97756983, 242076519, 293270949, 726229557, 879812847, 1198428199, 3595284597, 10785853791, 32357561373, 97072684119, 291218052357]

約数ペア:

[(1, 291218052357), (3, 97072684119), (9, 32357561373), (27, 10785853791), (81, 3595284597), (243, 1198428199), (331, 879812847), (401, 726229557), (993, 293270949), (1203, 242076519), (2979, 97756983), (3609, 80692173), (8937, 32585661), (9029, 32253633), (10827, 26897391), (26811, 10861887), (27087, 10751211), (32481, 8965797), (80433, 3620629), (81261, 3583737), (97443, 2988599), (132731, 2194047), (243783, 1194579), (398193, 731349)]