408375

素因数分解:

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

素因数の和:46

約数の個数: 48

約数和(自身を含む): 829920

約数和(自身を除く): 421545

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 121, 125, 135, 165, 225, 275, 297, 363, 375, 495, 605, 675, 825, 1089, 1125, 1375, 1485, 1815, 2475, 3025, 3267, 3375, 4125, 5445, 7425, 9075, 12375, 15125, 16335, 27225, 37125, 45375, 81675, 136125, 408375]

約数ペア:

[(1, 408375), (3, 136125), (5, 81675), (9, 45375), (11, 37125), (15, 27225), (25, 16335), (27, 15125), (33, 12375), (45, 9075), (55, 7425), (75, 5445), (99, 4125), (121, 3375), (125, 3267), (135, 3025), (165, 2475), (225, 1815), (275, 1485), (297, 1375), (363, 1125), (375, 1089), (495, 825), (605, 675)]