655121673

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 1075845888

約数和(自身を除く): 420724215

約数列:

[1, 3, 9, 17, 23, 47, 51, 69, 141, 153, 207, 233, 289, 391, 423, 699, 799, 867, 1081, 1173, 2097, 2397, 2601, 3243, 3519, 3961, 5359, 6647, 7191, 9729, 10951, 11883, 13583, 16077, 18377, 19941, 32853, 35649, 40749, 48231, 55131, 59823, 67337, 91103, 98559, 122247, 165393, 186167, 202011, 251873, 273309, 312409, 558501, 606033, 755619, 819927, 937227, 1548751, 1675503, 2266857, 2811681, 3164839, 4281841, 4646253, 9494517, 12845523, 13938759, 28483551, 38536569, 72791297, 218373891, 655121673]

約数ペア:

[(1, 655121673), (3, 218373891), (9, 72791297), (17, 38536569), (23, 28483551), (47, 13938759), (51, 12845523), (69, 9494517), (141, 4646253), (153, 4281841), (207, 3164839), (233, 2811681), (289, 2266857), (391, 1675503), (423, 1548751), (699, 937227), (799, 819927), (867, 755619), (1081, 606033), (1173, 558501), (2097, 312409), (2397, 273309), (2601, 251873), (3243, 202011), (3519, 186167), (3961, 165393), (5359, 122247), (6647, 98559), (7191, 91103), (9729, 67337), (10951, 59823), (11883, 55131), (13583, 48231), (16077, 40749), (18377, 35649), (19941, 32853)]