648335961

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{719}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 1187020800

約数和(自身を除く): 538684839

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 367, 719, 819, 1101, 2157, 2457, 2569, 3303, 4771, 5033, 6471, 7707, 9347, 9909, 14313, 15099, 19413, 23121, 28041, 33397, 42939, 45297, 65429, 69363, 84123, 100191, 128817, 135891, 196287, 252369, 263873, 300573, 588861, 791619, 901719, 1766583, 1847111, 2374857, 3430349, 5541333, 7124571, 10291047, 16623999, 24012443, 30873141, 49871997, 72037329, 92619423, 216111987, 648335961]

約数ペア:

[(1, 648335961), (3, 216111987), (7, 92619423), (9, 72037329), (13, 49871997), (21, 30873141), (27, 24012443), (39, 16623999), (63, 10291047), (91, 7124571), (117, 5541333), (189, 3430349), (273, 2374857), (351, 1847111), (367, 1766583), (719, 901719), (819, 791619), (1101, 588861), (2157, 300573), (2457, 263873), (2569, 252369), (3303, 196287), (4771, 135891), (5033, 128817), (6471, 100191), (7707, 84123), (9347, 69363), (9909, 65429), (14313, 45297), (15099, 42939), (19413, 33397), (23121, 28041)]