215375355

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2202

約数の個数: 80

約数和(自身を含む): 437865120

約数和(自身を除く): 222489765

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 247, 285, 351, 405, 513, 585, 741, 855, 1053, 1235, 1539, 1755, 2153, 2223, 2565, 3705, 5265, 6459, 6669, 7695, 10765, 11115, 19377, 20007, 27989, 32295, 33345, 40907, 58131, 83967, 96885, 100035, 122721, 139945, 174393, 204535, 251901, 290655, 368163, 419835, 531791, 613605, 755703, 871965, 1104489, 1259505, 1595373, 1840815, 2267109, 2658955, 3313467, 3778515, 4786119, 5522445, 7976865, 11335545, 14358357, 16567335, 23930595, 43075071, 71791785, 215375355]

約数ペア:

[(1, 215375355), (3, 71791785), (5, 43075071), (9, 23930595), (13, 16567335), (15, 14358357), (19, 11335545), (27, 7976865), (39, 5522445), (45, 4786119), (57, 3778515), (65, 3313467), (81, 2658955), (95, 2267109), (117, 1840815), (135, 1595373), (171, 1259505), (195, 1104489), (247, 871965), (285, 755703), (351, 613605), (405, 531791), (513, 419835), (585, 368163), (741, 290655), (855, 251901), (1053, 204535), (1235, 174393), (1539, 139945), (1755, 122721), (2153, 100035), (2223, 96885), (2565, 83967), (3705, 58131), (5265, 40907), (6459, 33345), (6669, 32295), (7695, 27989), (10765, 20007), (11115, 19377)]