216888975

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 433097280

約数和(自身を除く): 216208305

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 41, 45, 51, 75, 85, 123, 135, 153, 205, 225, 255, 369, 425, 459, 461, 615, 675, 697, 765, 1025, 1107, 1275, 1383, 1845, 2091, 2295, 2305, 3075, 3485, 3825, 4149, 5535, 6273, 6915, 7837, 9225, 10455, 11475, 11525, 12447, 17425, 18819, 18901, 20745, 23511, 27675, 31365, 34575, 39185, 52275, 56703, 62235, 70533, 94095, 94505, 103725, 117555, 156825, 170109, 195925, 211599, 283515, 311175, 321317, 352665, 470475, 472525, 510327, 587775, 850545, 963951, 1057995, 1417575, 1606585, 1763325, 2551635, 2891853, 4252725, 4819755, 5289975, 8032925, 8675559, 12758175, 14459265, 24098775, 43377795, 72296325, 216888975]

約数ペア:

[(1, 216888975), (3, 72296325), (5, 43377795), (9, 24098775), (15, 14459265), (17, 12758175), (25, 8675559), (27, 8032925), (41, 5289975), (45, 4819755), (51, 4252725), (75, 2891853), (85, 2551635), (123, 1763325), (135, 1606585), (153, 1417575), (205, 1057995), (225, 963951), (255, 850545), (369, 587775), (425, 510327), (459, 472525), (461, 470475), (615, 352665), (675, 321317), (697, 311175), (765, 283515), (1025, 211599), (1107, 195925), (1275, 170109), (1383, 156825), (1845, 117555), (2091, 103725), (2295, 94505), (2305, 94095), (3075, 70533), (3485, 62235), (3825, 56703), (4149, 52275), (5535, 39185), (6273, 34575), (6915, 31365), (7837, 27675), (9225, 23511), (10455, 20745), (11475, 18901), (11525, 18819), (12447, 17425)]