42718455

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 82938240

約数和(自身を除く): 40219785

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 101, 117, 135, 195, 241, 303, 351, 505, 585, 723, 909, 1205, 1313, 1515, 1755, 2169, 2727, 3133, 3615, 3939, 4545, 6507, 6565, 9399, 10845, 11817, 13635, 15665, 19695, 24341, 28197, 32535, 35451, 46995, 59085, 73023, 84591, 121705, 140985, 177255, 219069, 316433, 365115, 422955, 657207, 949299, 1095345, 1582165, 2847897, 3286035, 4746495, 8543691, 14239485, 42718455]

約数ペア:

[(1, 42718455), (3, 14239485), (5, 8543691), (9, 4746495), (13, 3286035), (15, 2847897), (27, 1582165), (39, 1095345), (45, 949299), (65, 657207), (101, 422955), (117, 365115), (135, 316433), (195, 219069), (241, 177255), (303, 140985), (351, 121705), (505, 84591), (585, 73023), (723, 59085), (909, 46995), (1205, 35451), (1313, 32535), (1515, 28197), (1755, 24341), (2169, 19695), (2727, 15665), (3133, 13635), (3615, 11817), (3939, 10845), (4545, 9399), (6507, 6565)]