211421595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 424710144

約数和(自身を除く): 213288549

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 163, 165, 231, 385, 489, 815, 1123, 1141, 1155, 1793, 2445, 3369, 3423, 5379, 5615, 5705, 7861, 8965, 12353, 12551, 16845, 17115, 23583, 26895, 37059, 37653, 39305, 61765, 62755, 86471, 117915, 183049, 185295, 188265, 259413, 432355, 549147, 915245, 1281343, 1297065, 2013539, 2745735, 3844029, 6040617, 6406715, 10067695, 14094773, 19220145, 30203085, 42284319, 70473865, 211421595]

約数ペア:

[(1, 211421595), (3, 70473865), (5, 42284319), (7, 30203085), (11, 19220145), (15, 14094773), (21, 10067695), (33, 6406715), (35, 6040617), (55, 3844029), (77, 2745735), (105, 2013539), (163, 1297065), (165, 1281343), (231, 915245), (385, 549147), (489, 432355), (815, 259413), (1123, 188265), (1141, 185295), (1155, 183049), (1793, 117915), (2445, 86471), (3369, 62755), (3423, 61765), (5379, 39305), (5615, 37653), (5705, 37059), (7861, 26895), (8965, 23583), (12353, 17115), (12551, 16845)]