25491609

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 19324071

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 87, 99, 117, 143, 261, 319, 377, 429, 683, 957, 1131, 1287, 2049, 2871, 3393, 4147, 6147, 7513, 8879, 12441, 19807, 22539, 26637, 37323, 59421, 67617, 79911, 97669, 178263, 217877, 257491, 293007, 653631, 772473, 879021, 1960893, 2317419, 2832401, 8497203, 25491609]

約数ペア:

[(1, 25491609), (3, 8497203), (9, 2832401), (11, 2317419), (13, 1960893), (29, 879021), (33, 772473), (39, 653631), (87, 293007), (99, 257491), (117, 217877), (143, 178263), (261, 97669), (319, 79911), (377, 67617), (429, 59421), (683, 37323), (957, 26637), (1131, 22539), (1287, 19807), (2049, 12441), (2871, 8879), (3393, 7513), (4147, 6147)]