209803473

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 344736000

約数和(自身を除く): 134932527

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 149, 297, 363, 431, 447, 1089, 1293, 1341, 1639, 3267, 3879, 4023, 4741, 4917, 11637, 14223, 14751, 18029, 42669, 44253, 52151, 54087, 64219, 128007, 156453, 162261, 192657, 469359, 486783, 577971, 706409, 1408077, 1733913, 2119227, 6357681, 7770499, 19073043, 23311497, 69934491, 209803473]

約数ペア:

[(1, 209803473), (3, 69934491), (9, 23311497), (11, 19073043), (27, 7770499), (33, 6357681), (99, 2119227), (121, 1733913), (149, 1408077), (297, 706409), (363, 577971), (431, 486783), (447, 469359), (1089, 192657), (1293, 162261), (1341, 156453), (1639, 128007), (3267, 64219), (3879, 54087), (4023, 52151), (4741, 44253), (4917, 42669), (11637, 18029), (14223, 14751)]