215262267

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 353035200

約数和(自身を除く): 137772933

約数列:

[1, 3, 11, 19, 23, 33, 57, 59, 69, 121, 177, 209, 253, 363, 437, 529, 627, 649, 759, 1121, 1311, 1357, 1587, 1947, 2299, 2783, 3363, 4071, 4807, 5819, 6897, 7139, 8349, 10051, 12331, 14421, 14927, 17457, 21417, 25783, 30153, 31211, 36993, 44781, 52877, 64009, 77349, 93633, 110561, 135641, 158631, 164197, 192027, 283613, 331683, 343321, 406923, 492591, 593009, 850839, 1029963, 1216171, 1779027, 3119743, 3648513, 3776531, 6523099, 9359229, 11329593, 19569297, 71754089, 215262267]

約数ペア:

[(1, 215262267), (3, 71754089), (11, 19569297), (19, 11329593), (23, 9359229), (33, 6523099), (57, 3776531), (59, 3648513), (69, 3119743), (121, 1779027), (177, 1216171), (209, 1029963), (253, 850839), (363, 593009), (437, 492591), (529, 406923), (627, 343321), (649, 331683), (759, 283613), (1121, 192027), (1311, 164197), (1357, 158631), (1587, 135641), (1947, 110561), (2299, 93633), (2783, 77349), (3363, 64009), (4071, 52877), (4807, 44781), (5819, 36993), (6897, 31211), (7139, 30153), (8349, 25783), (10051, 21417), (12331, 17457), (14421, 14927)]