213550515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 418504320

約数和(自身を除く): 204953805

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 53, 69, 85, 115, 153, 159, 207, 229, 255, 265, 345, 391, 477, 687, 765, 795, 901, 1035, 1145, 1173, 1219, 1955, 2061, 2385, 2703, 3435, 3519, 3657, 3893, 4505, 5267, 5865, 6095, 8109, 10305, 10971, 11679, 12137, 13515, 15801, 17595, 18285, 19465, 20723, 26335, 35037, 36411, 40545, 47403, 54855, 58395, 60685, 62169, 79005, 89539, 103615, 109233, 175185, 182055, 186507, 206329, 237015, 268617, 279151, 310845, 447695, 546165, 618987, 805851, 837453, 932535, 1031645, 1343085, 1395755, 1856961, 2512359, 3094935, 4029255, 4187265, 4745567, 9284805, 12561795, 14236701, 23727835, 42710103, 71183505, 213550515]

約数ペア:

[(1, 213550515), (3, 71183505), (5, 42710103), (9, 23727835), (15, 14236701), (17, 12561795), (23, 9284805), (45, 4745567), (51, 4187265), (53, 4029255), (69, 3094935), (85, 2512359), (115, 1856961), (153, 1395755), (159, 1343085), (207, 1031645), (229, 932535), (255, 837453), (265, 805851), (345, 618987), (391, 546165), (477, 447695), (687, 310845), (765, 279151), (795, 268617), (901, 237015), (1035, 206329), (1145, 186507), (1173, 182055), (1219, 175185), (1955, 109233), (2061, 103615), (2385, 89539), (2703, 79005), (3435, 62169), (3519, 60685), (3657, 58395), (3893, 54855), (4505, 47403), (5267, 40545), (5865, 36411), (6095, 35037), (8109, 26335), (10305, 20723), (10971, 19465), (11679, 18285), (12137, 17595), (13515, 15801)]