201948581655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{647489}}^1$

素因数の和:647768

約数の個数: 48

約数和(自身を含む): 363630384000

約数和(自身を除く): 161681802345

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 239, 261, 435, 717, 1195, 1305, 2151, 3585, 6931, 10755, 20793, 34655, 62379, 103965, 311895, 647489, 1942467, 3237445, 5827401, 9712335, 18777181, 29137005, 56331543, 93885905, 154749871, 168994629, 281657715, 464249613, 773749355, 844973145, 1392748839, 2321248065, 4487746259, 6963744195, 13463238777, 22438731295, 40389716331, 67316193885, 201948581655]

約数ペア:

[(1, 201948581655), (3, 67316193885), (5, 40389716331), (9, 22438731295), (15, 13463238777), (29, 6963744195), (45, 4487746259), (87, 2321248065), (145, 1392748839), (239, 844973145), (261, 773749355), (435, 464249613), (717, 281657715), (1195, 168994629), (1305, 154749871), (2151, 93885905), (3585, 56331543), (6931, 29137005), (10755, 18777181), (20793, 9712335), (34655, 5827401), (62379, 3237445), (103965, 1942467), (311895, 647489)]