30880101

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 17503899

約数列:

[1, 3, 7, 21, 71, 139, 149, 213, 417, 447, 497, 973, 1043, 1491, 2919, 3129, 9869, 10579, 20711, 29607, 31737, 62133, 69083, 74053, 144977, 207249, 222159, 434931, 1470481, 4411443, 10293367, 30880101]

約数ペア:

[(1, 30880101), (3, 10293367), (7, 4411443), (21, 1470481), (71, 434931), (139, 222159), (149, 207249), (213, 144977), (417, 74053), (447, 69083), (497, 62133), (973, 31737), (1043, 29607), (1491, 20711), (2919, 10579), (3129, 9869)]