201980415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 403393536

約数和(自身を除く): 201413121

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, 2027, 2555, 2847, 4745, 6081, 6643, 7665, 10135, 14189, 14235, 19929, 26351, 30405, 33215, 42567, 70945, 79053, 99645, 131755, 147971, 184457, 212835, 395265, 443913, 553371, 739855, 922285, 1035797, 1923623, 2219565, 2766855, 3107391, 5178985, 5770869, 9618115, 13465361, 15536955, 28854345, 40396083, 67326805, 201980415]

約数ペア:

[(1, 201980415), (3, 67326805), (5, 40396083), (7, 28854345), (13, 15536955), (15, 13465361), (21, 9618115), (35, 5770869), (39, 5178985), (65, 3107391), (73, 2766855), (91, 2219565), (105, 1923623), (195, 1035797), (219, 922285), (273, 739855), (365, 553371), (455, 443913), (511, 395265), (949, 212835), (1095, 184457), (1365, 147971), (1533, 131755), (2027, 99645), (2555, 79053), (2847, 70945), (4745, 42567), (6081, 33215), (6643, 30405), (7665, 26351), (10135, 19929), (14189, 14235)]