210901635

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 429910416

約数和(自身を除く): 219008781

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 101, 105, 147, 245, 303, 315, 441, 505, 707, 735, 909, 947, 1515, 2121, 2205, 2841, 3535, 4545, 4735, 4949, 6363, 6629, 8523, 10605, 14205, 14847, 19887, 24745, 31815, 33145, 42615, 44541, 46403, 59661, 74235, 95647, 99435, 139209, 222705, 232015, 286941, 298305, 417627, 478235, 669529, 696045, 860823, 1434705, 2008587, 2088135, 3347645, 4304115, 4686703, 6025761, 10042935, 14060109, 23433515, 30128805, 42180327, 70300545, 210901635]

約数ペア:

[(1, 210901635), (3, 70300545), (5, 42180327), (7, 30128805), (9, 23433515), (15, 14060109), (21, 10042935), (35, 6025761), (45, 4686703), (49, 4304115), (63, 3347645), (101, 2088135), (105, 2008587), (147, 1434705), (245, 860823), (303, 696045), (315, 669529), (441, 478235), (505, 417627), (707, 298305), (735, 286941), (909, 232015), (947, 222705), (1515, 139209), (2121, 99435), (2205, 95647), (2841, 74235), (3535, 59661), (4545, 46403), (4735, 44541), (4949, 42615), (6363, 33145), (6629, 31815), (8523, 24745), (10605, 19887), (14205, 14847)]