25113459

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 15598221

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 557, 791, 1671, 2147, 2373, 3899, 6441, 10583, 11697, 15029, 31749, 45087, 62941, 74081, 188823, 222243, 440587, 1195879, 1321761, 3587637, 8371153, 25113459]

約数ペア:

[(1, 25113459), (3, 8371153), (7, 3587637), (19, 1321761), (21, 1195879), (57, 440587), (113, 222243), (133, 188823), (339, 74081), (399, 62941), (557, 45087), (791, 31749), (1671, 15029), (2147, 11697), (2373, 10583), (3899, 6441)]