261799571889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{33797}}^1$

素因数の和:34274

約数の個数: 48

約数和(自身を含む): 404009665488

約数和(自身を除く): 142210093599

約数列:

[1, 3, 9, 17, 51, 153, 197, 257, 591, 771, 1773, 2313, 3349, 4369, 10047, 13107, 30141, 33797, 39321, 50629, 101391, 151887, 304173, 455661, 574549, 860693, 1723647, 2582079, 5170941, 6658009, 7746237, 8685829, 19974027, 26057487, 59922081, 78172461, 113186153, 147659093, 339558459, 442977279, 1018675377, 1328931837, 1711108313, 5133324939, 15399974817, 29088841321, 87266523963, 261799571889]

約数ペア:

[(1, 261799571889), (3, 87266523963), (9, 29088841321), (17, 15399974817), (51, 5133324939), (153, 1711108313), (197, 1328931837), (257, 1018675377), (591, 442977279), (771, 339558459), (1773, 147659093), (2313, 113186153), (3349, 78172461), (4369, 59922081), (10047, 26057487), (13107, 19974027), (30141, 8685829), (33797, 7746237), (39321, 6658009), (50629, 5170941), (101391, 2582079), (151887, 1723647), (304173, 860693), (455661, 574549)]