221787855

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86467}}^1$

素因数の和:86500

約数の個数: 32

約数和(自身を含む): 415046400

約数和(自身を除く): 193258545

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 86467, 259401, 432335, 778203, 1297005, 1642873, 2334609, 3891015, 4928619, 8214365, 11673045, 14785857, 24643095, 44357571, 73929285, 221787855]

約数ペア:

[(1, 221787855), (3, 73929285), (5, 44357571), (9, 24643095), (15, 14785857), (19, 11673045), (27, 8214365), (45, 4928619), (57, 3891015), (95, 2334609), (135, 1642873), (171, 1297005), (285, 778203), (513, 432335), (855, 259401), (2565, 86467)]