208165389885

素因数分解:

$3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1\times {\mathrm{2543}}^1$

素因数の和:3409

約数の個数: 96

約数和(自身を含む): 379036869120

約数和(自身を除く): 170871479235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 243, 267, 405, 445, 757, 801, 1215, 1335, 2271, 2403, 2543, 3785, 4005, 6813, 7209, 7629, 11355, 12015, 12715, 20439, 21627, 22887, 34065, 36045, 38145, 61317, 67373, 68661, 102195, 108135, 114435, 183951, 202119, 205983, 226327, 306585, 336865, 343305, 606357, 617949, 678981, 919755, 1010595, 1029915, 1131635, 1819071, 1925051, 2036943, 3031785, 3089745, 3394905, 5457213, 5775153, 6110829, 9095355, 9625255, 10184715, 16371639, 17325459, 18332487, 27286065, 28875765, 30554145, 51976377, 54997461, 81858195, 86627295, 91662435, 155929131, 171329539, 259881885, 274987305, 467787393, 513988617, 779645655, 856647695, 1541965851, 2338936965, 2569943085, 4625897553, 7709829255, 13877692659, 23129487765, 41633077977, 69388463295, 208165389885]

約数ペア:

[(1, 208165389885), (3, 69388463295), (5, 41633077977), (9, 23129487765), (15, 13877692659), (27, 7709829255), (45, 4625897553), (81, 2569943085), (89, 2338936965), (135, 1541965851), (243, 856647695), (267, 779645655), (405, 513988617), (445, 467787393), (757, 274987305), (801, 259881885), (1215, 171329539), (1335, 155929131), (2271, 91662435), (2403, 86627295), (2543, 81858195), (3785, 54997461), (4005, 51976377), (6813, 30554145), (7209, 28875765), (7629, 27286065), (11355, 18332487), (12015, 17325459), (12715, 16371639), (20439, 10184715), (21627, 9625255), (22887, 9095355), (34065, 6110829), (36045, 5775153), (38145, 5457213), (61317, 3394905), (67373, 3089745), (68661, 3031785), (102195, 2036943), (108135, 1925051), (114435, 1819071), (183951, 1131635), (202119, 1029915), (205983, 1010595), (226327, 919755), (306585, 678981), (336865, 617949), (343305, 606357)]