30019977

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 52756704

約数和(自身を除く): 22736727

約数列:

[1, 3, 9, 13, 17, 27, 39, 43, 51, 81, 117, 129, 153, 169, 221, 243, 351, 387, 459, 507, 559, 663, 731, 1053, 1161, 1377, 1521, 1677, 1989, 2193, 2873, 3159, 3483, 4131, 4563, 5031, 5967, 6579, 7267, 8619, 9503, 10449, 13689, 15093, 17901, 19737, 21801, 25857, 28509, 41067, 45279, 53703, 59211, 65403, 77571, 85527, 123539, 135837, 177633, 196209, 232713, 256581, 370617, 588627, 698139, 769743, 1111851, 1765881, 2309229, 3335553, 10006659, 30019977]

約数ペア:

[(1, 30019977), (3, 10006659), (9, 3335553), (13, 2309229), (17, 1765881), (27, 1111851), (39, 769743), (43, 698139), (51, 588627), (81, 370617), (117, 256581), (129, 232713), (153, 196209), (169, 177633), (221, 135837), (243, 123539), (351, 85527), (387, 77571), (459, 65403), (507, 59211), (559, 53703), (663, 45279), (731, 41067), (1053, 28509), (1161, 25857), (1377, 21801), (1521, 19737), (1677, 17901), (1989, 15093), (2193, 13689), (2873, 10449), (3159, 9503), (3483, 8619), (4131, 7267), (4563, 6579), (5031, 5967)]