217873665

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 426441600

約数和(自身を除く): 208567935

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 87, 95, 101, 135, 145, 171, 261, 285, 303, 435, 505, 513, 551, 783, 841, 855, 909, 1305, 1515, 1653, 1919, 2523, 2565, 2727, 2755, 2929, 3915, 4205, 4545, 4959, 5757, 7569, 8265, 8787, 9595, 12615, 13635, 14645, 14877, 15979, 17271, 22707, 24795, 26361, 28785, 37845, 43935, 47937, 51813, 55651, 74385, 79083, 79895, 84941, 86355, 113535, 131805, 143811, 166953, 239685, 254823, 259065, 278255, 395415, 424705, 431433, 500859, 719055, 764469, 834765, 1274115, 1502577, 1613879, 2157165, 2293407, 2504295, 3822345, 4841637, 7512885, 8069395, 11467035, 14524911, 24208185, 43574733, 72624555, 217873665]

約数ペア:

[(1, 217873665), (3, 72624555), (5, 43574733), (9, 24208185), (15, 14524911), (19, 11467035), (27, 8069395), (29, 7512885), (45, 4841637), (57, 3822345), (87, 2504295), (95, 2293407), (101, 2157165), (135, 1613879), (145, 1502577), (171, 1274115), (261, 834765), (285, 764469), (303, 719055), (435, 500859), (505, 431433), (513, 424705), (551, 395415), (783, 278255), (841, 259065), (855, 254823), (909, 239685), (1305, 166953), (1515, 143811), (1653, 131805), (1919, 113535), (2523, 86355), (2565, 84941), (2727, 79895), (2755, 79083), (2929, 74385), (3915, 55651), (4205, 51813), (4545, 47937), (4959, 43935), (5757, 37845), (7569, 28785), (8265, 26361), (8787, 24795), (9595, 22707), (12615, 17271), (13635, 15979), (14645, 14877)]