209505852

素因数分解:

$2^2\times 3^{10}\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 66

約数和(自身を含む): 550569768

約数和(自身を除く): 341063916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 887, 972, 1458, 1774, 2187, 2661, 2916, 3548, 4374, 5322, 6561, 7983, 8748, 10644, 13122, 15966, 19683, 23949, 26244, 31932, 39366, 47898, 59049, 71847, 78732, 95796, 118098, 143694, 215541, 236196, 287388, 431082, 646623, 862164, 1293246, 1939869, 2586492, 3879738, 5819607, 7759476, 11639214, 17458821, 23278428, 34917642, 52376463, 69835284, 104752926, 209505852]

約数ペア:

[(1, 209505852), (2, 104752926), (3, 69835284), (4, 52376463), (6, 34917642), (9, 23278428), (12, 17458821), (18, 11639214), (27, 7759476), (36, 5819607), (54, 3879738), (81, 2586492), (108, 1939869), (162, 1293246), (243, 862164), (324, 646623), (486, 431082), (729, 287388), (887, 236196), (972, 215541), (1458, 143694), (1774, 118098), (2187, 95796), (2661, 78732), (2916, 71847), (3548, 59049), (4374, 47898), (5322, 39366), (6561, 31932), (7983, 26244), (8748, 23949), (10644, 19683), (13122, 15966)]