981800235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 1953020160

約数和(自身を除く): 971219925

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 269, 367, 585, 663, 765, 807, 1101, 1105, 1345, 1835, 1989, 2421, 3303, 3315, 3497, 4035, 4573, 4771, 5505, 6239, 9945, 10491, 12105, 13719, 14313, 16515, 17485, 18717, 22865, 23855, 31195, 31473, 41157, 42939, 52455, 56151, 59449, 68595, 71565, 81107, 93585, 98723, 157365, 178347, 205785, 214695, 243321, 280755, 296169, 297245, 405535, 493615, 535041, 729963, 888507, 891735, 1216605, 1283399, 1480845, 1678291, 2675205, 3649815, 3850197, 4442535, 5034873, 6416995, 8391455, 11550591, 15104619, 19250985, 21817783, 25174365, 57752955, 65453349, 75523095, 109088915, 196360047, 327266745, 981800235]

約数ペア:

[(1, 981800235), (3, 327266745), (5, 196360047), (9, 109088915), (13, 75523095), (15, 65453349), (17, 57752955), (39, 25174365), (45, 21817783), (51, 19250985), (65, 15104619), (85, 11550591), (117, 8391455), (153, 6416995), (195, 5034873), (221, 4442535), (255, 3850197), (269, 3649815), (367, 2675205), (585, 1678291), (663, 1480845), (765, 1283399), (807, 1216605), (1101, 891735), (1105, 888507), (1345, 729963), (1835, 535041), (1989, 493615), (2421, 405535), (3303, 297245), (3315, 296169), (3497, 280755), (4035, 243321), (4573, 214695), (4771, 205785), (5505, 178347), (6239, 157365), (9945, 98723), (10491, 93585), (12105, 81107), (13719, 71565), (14313, 68595), (16515, 59449), (17485, 56151), (18717, 52455), (22865, 42939), (23855, 41157), (31195, 31473)]