72847215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 149253120

約数和(自身を除く): 76405905

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 157, 189, 315, 471, 491, 785, 945, 1099, 1413, 1473, 2355, 2455, 3297, 3437, 4239, 4419, 5495, 7065, 7365, 9891, 10311, 13257, 16485, 17185, 21195, 22095, 29673, 30933, 49455, 51555, 66285, 77087, 92799, 148365, 154665, 231261, 385435, 463995, 539609, 693783, 1156305, 1618827, 2081349, 2698045, 3468915, 4856481, 8094135, 10406745, 14569443, 24282405, 72847215]

約数ペア:

[(1, 72847215), (3, 24282405), (5, 14569443), (7, 10406745), (9, 8094135), (15, 4856481), (21, 3468915), (27, 2698045), (35, 2081349), (45, 1618827), (63, 1156305), (105, 693783), (135, 539609), (157, 463995), (189, 385435), (315, 231261), (471, 154665), (491, 148365), (785, 92799), (945, 77087), (1099, 66285), (1413, 51555), (1473, 49455), (2355, 30933), (2455, 29673), (3297, 22095), (3437, 21195), (4239, 17185), (4419, 16485), (5495, 13257), (7065, 10311), (7365, 9891)]