1215225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:518

約数の個数: 36

約数和(自身を含む): 2379312

約数和(自身を除く): 1164087

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 491, 495, 825, 1473, 2455, 2475, 4419, 5401, 7365, 12275, 16203, 22095, 27005, 36825, 48609, 81015, 110475, 135025, 243045, 405075, 1215225]

約数ペア:

[(1, 1215225), (3, 405075), (5, 243045), (9, 135025), (11, 110475), (15, 81015), (25, 48609), (33, 36825), (45, 27005), (55, 22095), (75, 16203), (99, 12275), (165, 7365), (225, 5401), (275, 4419), (491, 2475), (495, 2455), (825, 1473)]