73321731

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 129153024

約数和(自身を除く): 55831293

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 223, 307, 357, 669, 921, 1071, 1561, 2007, 2149, 2763, 3791, 4683, 5219, 6447, 11373, 14049, 15657, 19341, 26537, 34119, 36533, 46971, 68461, 79611, 109599, 205383, 238833, 328797, 479227, 616149, 1163837, 1437681, 3491511, 4313043, 8146859, 10474533, 24440577, 73321731]

約数ペア:

[(1, 73321731), (3, 24440577), (7, 10474533), (9, 8146859), (17, 4313043), (21, 3491511), (51, 1437681), (63, 1163837), (119, 616149), (153, 479227), (223, 328797), (307, 238833), (357, 205383), (669, 109599), (921, 79611), (1071, 68461), (1561, 46971), (2007, 36533), (2149, 34119), (2763, 26537), (3791, 19341), (4683, 15657), (5219, 14049), (6447, 11373)]