212933175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4497

約数の個数: 72

約数和(自身を含む): 441128016

約数和(自身を除く): 228194841

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 637, 735, 975, 1225, 1365, 1911, 2275, 3185, 3675, 4457, 6825, 9555, 13371, 15925, 22285, 31199, 47775, 57941, 66855, 93597, 111425, 155995, 173823, 218393, 289705, 334275, 405587, 467985, 655179, 779975, 869115, 1091965, 1216761, 1448525, 2027935, 2339925, 2839109, 3275895, 4345575, 5459825, 6083805, 8517327, 10139675, 14195545, 16379475, 30419025, 42586635, 70977725, 212933175]

約数ペア:

[(1, 212933175), (3, 70977725), (5, 42586635), (7, 30419025), (13, 16379475), (15, 14195545), (21, 10139675), (25, 8517327), (35, 6083805), (39, 5459825), (49, 4345575), (65, 3275895), (75, 2839109), (91, 2339925), (105, 2027935), (147, 1448525), (175, 1216761), (195, 1091965), (245, 869115), (273, 779975), (325, 655179), (455, 467985), (525, 405587), (637, 334275), (735, 289705), (975, 218393), (1225, 173823), (1365, 155995), (1911, 111425), (2275, 93597), (3185, 66855), (3675, 57941), (4457, 47775), (6825, 31199), (9555, 22285), (13371, 15925)]