9780179355

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{340121}}^1$

素因数の和:340209

約数の個数: 40

約数和(自身を含む): 17778857184

約数和(自身を除く): 7998677829

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 9585, 28755, 340121, 1020363, 1700605, 3061089, 5101815, 9183267, 15305445, 24148591, 27549801, 45916335, 72445773, 120742955, 137749005, 217337319, 362228865, 652011957, 1086686595, 1956035871, 3260059785, 9780179355]

約数ペア:

[(1, 9780179355), (3, 3260059785), (5, 1956035871), (9, 1086686595), (15, 652011957), (27, 362228865), (45, 217337319), (71, 137749005), (81, 120742955), (135, 72445773), (213, 45916335), (355, 27549801), (405, 24148591), (639, 15305445), (1065, 9183267), (1917, 5101815), (3195, 3061089), (5751, 1700605), (9585, 1020363), (28755, 340121)]