171854145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 326102400

約数和(自身を除く): 154248255

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 239, 261, 285, 435, 551, 717, 841, 855, 1195, 1305, 1653, 2151, 2523, 2755, 3585, 4205, 4541, 4959, 6931, 7569, 8265, 10755, 12615, 13623, 15979, 20793, 22705, 24795, 34655, 37845, 40869, 47937, 62379, 68115, 79895, 103965, 131689, 143811, 200999, 204345, 239685, 311895, 395067, 602997, 658445, 719055, 1004995, 1185201, 1808991, 1975335, 3014985, 3818981, 5926005, 9044955, 11456943, 19094905, 34370829, 57284715, 171854145]

約数ペア:

[(1, 171854145), (3, 57284715), (5, 34370829), (9, 19094905), (15, 11456943), (19, 9044955), (29, 5926005), (45, 3818981), (57, 3014985), (87, 1975335), (95, 1808991), (145, 1185201), (171, 1004995), (239, 719055), (261, 658445), (285, 602997), (435, 395067), (551, 311895), (717, 239685), (841, 204345), (855, 200999), (1195, 143811), (1305, 131689), (1653, 103965), (2151, 79895), (2523, 68115), (2755, 62379), (3585, 47937), (4205, 40869), (4541, 37845), (4959, 34655), (6931, 24795), (7569, 22705), (8265, 20793), (10755, 15979), (12615, 13623)]