195996915

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 374476608

約数和(自身を除く): 178479693

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 53, 69, 81, 115, 135, 159, 207, 265, 345, 397, 405, 477, 621, 795, 1035, 1191, 1219, 1431, 1863, 1985, 2385, 3105, 3573, 3657, 4293, 5955, 6095, 7155, 9131, 9315, 10719, 10971, 17865, 18285, 21041, 21465, 27393, 32157, 32913, 45655, 53595, 54855, 63123, 82179, 98739, 105205, 136965, 160785, 164565, 189369, 246537, 315615, 410895, 483943, 493695, 568107, 739611, 946845, 1232685, 1451829, 1704321, 2419715, 2840535, 3698055, 4355487, 7259145, 8521605, 13066461, 21777435, 39199383, 65332305, 195996915]

約数ペア:

[(1, 195996915), (3, 65332305), (5, 39199383), (9, 21777435), (15, 13066461), (23, 8521605), (27, 7259145), (45, 4355487), (53, 3698055), (69, 2840535), (81, 2419715), (115, 1704321), (135, 1451829), (159, 1232685), (207, 946845), (265, 739611), (345, 568107), (397, 493695), (405, 483943), (477, 410895), (621, 315615), (795, 246537), (1035, 189369), (1191, 164565), (1219, 160785), (1431, 136965), (1863, 105205), (1985, 98739), (2385, 82179), (3105, 63123), (3573, 54855), (3657, 53595), (4293, 45655), (5955, 32913), (6095, 32157), (7155, 27393), (9131, 21465), (9315, 21041), (10719, 18285), (10971, 17865)]