31608225

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 108

約数和(自身を含む): 66033968

約数和(自身を除く): 34425743

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 43, 45, 55, 75, 81, 99, 121, 129, 135, 165, 215, 225, 243, 275, 297, 363, 387, 405, 473, 495, 605, 645, 675, 825, 891, 1075, 1089, 1161, 1215, 1419, 1485, 1815, 1935, 2025, 2365, 2475, 2673, 3025, 3225, 3267, 3483, 4257, 4455, 5203, 5445, 5805, 6075, 7095, 7425, 9075, 9675, 9801, 10449, 11825, 12771, 13365, 15609, 16335, 17415, 21285, 22275, 26015, 27225, 29025, 29403, 35475, 38313, 46827, 49005, 52245, 63855, 66825, 78045, 81675, 87075, 106425, 114939, 130075, 140481, 147015, 191565, 234135, 245025, 261225, 319275, 390225, 421443, 574695, 702405, 735075, 957825, 1170675, 1264329, 2107215, 2873475, 3512025, 6321645, 10536075, 31608225]

約数ペア:

[(1, 31608225), (3, 10536075), (5, 6321645), (9, 3512025), (11, 2873475), (15, 2107215), (25, 1264329), (27, 1170675), (33, 957825), (43, 735075), (45, 702405), (55, 574695), (75, 421443), (81, 390225), (99, 319275), (121, 261225), (129, 245025), (135, 234135), (165, 191565), (215, 147015), (225, 140481), (243, 130075), (275, 114939), (297, 106425), (363, 87075), (387, 81675), (405, 78045), (473, 66825), (495, 63855), (605, 52245), (645, 49005), (675, 46827), (825, 38313), (891, 35475), (1075, 29403), (1089, 29025), (1161, 27225), (1215, 26015), (1419, 22275), (1485, 21285), (1815, 17415), (1935, 16335), (2025, 15609), (2365, 13365), (2475, 12771), (2673, 11825), (3025, 10449), (3225, 9801), (3267, 9675), (3483, 9075), (4257, 7425), (4455, 7095), (5203, 6075), (5445, 5805)]