31399515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 33112485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 149, 189, 223, 315, 447, 669, 745, 945, 1043, 1115, 1341, 1561, 2007, 2235, 3129, 3345, 4023, 4683, 5215, 6021, 6705, 7805, 9387, 10035, 14049, 15645, 20115, 23415, 28161, 30105, 33227, 42147, 46935, 70245, 99681, 140805, 166135, 210735, 232589, 299043, 498405, 697767, 897129, 1162945, 1495215, 2093301, 3488835, 4485645, 6279903, 10466505, 31399515]

約数ペア:

[(1, 31399515), (3, 10466505), (5, 6279903), (7, 4485645), (9, 3488835), (15, 2093301), (21, 1495215), (27, 1162945), (35, 897129), (45, 697767), (63, 498405), (105, 299043), (135, 232589), (149, 210735), (189, 166135), (223, 140805), (315, 99681), (447, 70245), (669, 46935), (745, 42147), (945, 33227), (1043, 30105), (1115, 28161), (1341, 23415), (1561, 20115), (2007, 15645), (2235, 14049), (3129, 10035), (3345, 9387), (4023, 7805), (4683, 6705), (5215, 6021)]