30281265

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 63168768

約数和(自身を除く): 32887503

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 441, 443, 465, 651, 735, 1085, 1329, 1395, 1519, 1953, 2205, 2215, 3101, 3255, 3987, 4557, 6645, 7595, 9303, 9765, 13671, 13733, 15505, 19935, 21707, 22785, 27909, 41199, 46515, 65121, 68355, 68665, 96131, 108535, 123597, 139545, 195363, 205995, 288393, 325605, 480655, 617985, 672917, 865179, 976815, 1441965, 2018751, 3364585, 4325895, 6056253, 10093755, 30281265]

約数ペア:

[(1, 30281265), (3, 10093755), (5, 6056253), (7, 4325895), (9, 3364585), (15, 2018751), (21, 1441965), (31, 976815), (35, 865179), (45, 672917), (49, 617985), (63, 480655), (93, 325605), (105, 288393), (147, 205995), (155, 195363), (217, 139545), (245, 123597), (279, 108535), (315, 96131), (441, 68665), (443, 68355), (465, 65121), (651, 46515), (735, 41199), (1085, 27909), (1329, 22785), (1395, 21707), (1519, 19935), (1953, 15505), (2205, 13733), (2215, 13671), (3101, 9765), (3255, 9303), (3987, 7595), (4557, 6645)]