61290225

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1518

約数の個数: 36

約数和(自身を含む): 110383312

約数和(自身を除く): 49093087

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 1055, 1291, 1899, 3165, 3873, 5275, 6455, 9495, 11619, 15825, 19365, 32275, 47475, 58095, 96825, 272401, 290475, 817203, 1362005, 2451609, 4086015, 6810025, 12258045, 20430075, 61290225]

約数ペア:

[(1, 61290225), (3, 20430075), (5, 12258045), (9, 6810025), (15, 4086015), (25, 2451609), (45, 1362005), (75, 817203), (211, 290475), (225, 272401), (633, 96825), (1055, 58095), (1291, 47475), (1899, 32275), (3165, 19365), (3873, 15825), (5275, 11619), (6455, 9495)]