221489235

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 439084800

約数和(自身を除く): 217595565

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 83, 99, 135, 165, 249, 297, 405, 415, 495, 599, 747, 891, 913, 1245, 1485, 1797, 2241, 2739, 2995, 3735, 4455, 4565, 5391, 6589, 6723, 8217, 8985, 11205, 13695, 16173, 19767, 24651, 26955, 32945, 33615, 41085, 48519, 49717, 59301, 73953, 80865, 98835, 123255, 149151, 177903, 242595, 248585, 296505, 369765, 447453, 533709, 546887, 745755, 889515, 1342359, 1640661, 2237265, 2668545, 2734435, 4027077, 4921983, 6711795, 8203305, 14765949, 20135385, 24609915, 44297847, 73829745, 221489235]

約数ペア:

[(1, 221489235), (3, 73829745), (5, 44297847), (9, 24609915), (11, 20135385), (15, 14765949), (27, 8203305), (33, 6711795), (45, 4921983), (55, 4027077), (81, 2734435), (83, 2668545), (99, 2237265), (135, 1640661), (165, 1342359), (249, 889515), (297, 745755), (405, 546887), (415, 533709), (495, 447453), (599, 369765), (747, 296505), (891, 248585), (913, 242595), (1245, 177903), (1485, 149151), (1797, 123255), (2241, 98835), (2739, 80865), (2995, 73953), (3735, 59301), (4455, 49717), (4565, 48519), (5391, 41085), (6589, 33615), (6723, 32945), (8217, 26955), (8985, 24651), (11205, 19767), (13695, 16173)]