79815561

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 141423840

約数和(自身を除く): 61608279

約数列:

[1, 3, 7, 17, 19, 21, 41, 49, 51, 57, 119, 123, 133, 147, 287, 323, 357, 399, 697, 779, 833, 861, 931, 969, 1681, 2009, 2091, 2261, 2337, 2499, 2793, 4879, 5043, 5453, 6027, 6783, 11767, 13243, 14637, 15827, 16359, 28577, 31939, 34153, 35301, 38171, 39729, 47481, 82369, 85731, 92701, 95817, 102459, 114513, 200039, 223573, 247107, 278103, 542963, 600117, 648907, 670719, 1400273, 1565011, 1628889, 1946721, 3800741, 4200819, 4695033, 11402223, 26605187, 79815561]

約数ペア:

[(1, 79815561), (3, 26605187), (7, 11402223), (17, 4695033), (19, 4200819), (21, 3800741), (41, 1946721), (49, 1628889), (51, 1565011), (57, 1400273), (119, 670719), (123, 648907), (133, 600117), (147, 542963), (287, 278103), (323, 247107), (357, 223573), (399, 200039), (697, 114513), (779, 102459), (833, 95817), (861, 92701), (931, 85731), (969, 82369), (1681, 47481), (2009, 39729), (2091, 38171), (2261, 35301), (2337, 34153), (2499, 31939), (2793, 28577), (4879, 16359), (5043, 15827), (5453, 14637), (6027, 13243), (6783, 11767)]