1649398947

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 2612332800

約数和(自身を除く): 962933853

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 419, 427, 439, 1257, 1281, 1317, 2933, 2989, 3073, 8799, 8967, 9219, 20531, 21511, 25559, 26779, 61593, 64533, 76677, 80337, 178913, 183941, 187453, 536739, 551823, 562359, 1252391, 1287587, 1312171, 3757173, 3862761, 3936513, 9013109, 11220401, 27039327, 33661203, 78542807, 235628421, 549799649, 1649398947]

約数ペア:

[(1, 1649398947), (3, 549799649), (7, 235628421), (21, 78542807), (49, 33661203), (61, 27039327), (147, 11220401), (183, 9013109), (419, 3936513), (427, 3862761), (439, 3757173), (1257, 1312171), (1281, 1287587), (1317, 1252391), (2933, 562359), (2989, 551823), (3073, 536739), (8799, 187453), (8967, 183941), (9219, 178913), (20531, 80337), (21511, 76677), (25559, 64533), (26779, 61593)]