21973275

素因数分解:

$3^5\times 5^2\times {\mathrm{3617}}^1$

素因数の和:3642

約数の個数: 36

約数和(自身を含む): 40825512

約数和(自身を除く): 18852237

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3617, 6075, 10851, 18085, 32553, 54255, 90425, 97659, 162765, 271275, 292977, 488295, 813825, 878931, 1464885, 2441475, 4394655, 7324425, 21973275]

約数ペア:

[(1, 21973275), (3, 7324425), (5, 4394655), (9, 2441475), (15, 1464885), (25, 878931), (27, 813825), (45, 488295), (75, 292977), (81, 271275), (135, 162765), (225, 97659), (243, 90425), (405, 54255), (675, 32553), (1215, 18085), (2025, 10851), (3617, 6075)]