25217313

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 14472927

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1087, 1221, 2109, 3261, 7733, 11957, 20653, 23199, 35871, 40219, 61959, 120657, 227183, 442409, 681549, 764161, 1327227, 2292483, 8405771, 25217313]

約数ペア:

[(1, 25217313), (3, 8405771), (11, 2292483), (19, 1327227), (33, 764161), (37, 681549), (57, 442409), (111, 227183), (209, 120657), (407, 61959), (627, 40219), (703, 35871), (1087, 23199), (1221, 20653), (2109, 11957), (3261, 7733)]