22781031

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 38649600

約数和(自身を除く): 15868569

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 131, 147, 169, 273, 343, 393, 507, 637, 917, 1029, 1183, 1703, 1911, 2751, 3549, 4459, 5109, 6419, 8281, 11921, 13377, 19257, 22139, 24843, 35763, 44933, 57967, 66417, 83447, 134799, 154973, 173901, 250341, 464919, 584129, 1084811, 1752387, 3254433, 7593677, 22781031]

約数ペア:

[(1, 22781031), (3, 7593677), (7, 3254433), (13, 1752387), (21, 1084811), (39, 584129), (49, 464919), (91, 250341), (131, 173901), (147, 154973), (169, 134799), (273, 83447), (343, 66417), (393, 57967), (507, 44933), (637, 35763), (917, 24843), (1029, 22139), (1183, 19257), (1703, 13377), (1911, 11921), (2751, 8281), (3549, 6419), (4459, 5109)]