210549885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 420499968

約数和(自身を除く): 209950083

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 219, 273, 365, 455, 511, 949, 1095, 1365, 1533, 2113, 2555, 2847, 4745, 6339, 6643, 7665, 10565, 14235, 14791, 19929, 27469, 31695, 33215, 44373, 73955, 82407, 99645, 137345, 154249, 192283, 221865, 412035, 462747, 576849, 771245, 961415, 1079743, 2005237, 2313735, 2884245, 3239229, 5398715, 6015711, 10026185, 14036659, 16196145, 30078555, 42109977, 70183295, 210549885]

約数ペア:

[(1, 210549885), (3, 70183295), (5, 42109977), (7, 30078555), (13, 16196145), (15, 14036659), (21, 10026185), (35, 6015711), (39, 5398715), (65, 3239229), (73, 2884245), (91, 2313735), (105, 2005237), (195, 1079743), (219, 961415), (273, 771245), (365, 576849), (455, 462747), (511, 412035), (949, 221865), (1095, 192283), (1365, 154249), (1533, 137345), (2113, 99645), (2555, 82407), (2847, 73955), (4745, 44373), (6339, 33215), (6643, 31695), (7665, 27469), (10565, 19929), (14235, 14791)]