291216135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2488

約数の個数: 64

約数和(自身を含む): 569963520

約数和(自身を除く): 278747385

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 183, 285, 305, 399, 427, 665, 915, 1159, 1281, 1995, 2135, 2393, 3477, 5795, 6405, 7179, 8113, 11965, 16751, 17385, 24339, 35895, 40565, 45467, 50253, 83755, 121695, 136401, 145973, 227335, 251265, 318269, 437919, 682005, 729865, 954807, 1021811, 1591345, 2189595, 2773487, 3065433, 4774035, 5109055, 8320461, 13867435, 15327165, 19414409, 41602305, 58243227, 97072045, 291216135]

約数ペア:

[(1, 291216135), (3, 97072045), (5, 58243227), (7, 41602305), (15, 19414409), (19, 15327165), (21, 13867435), (35, 8320461), (57, 5109055), (61, 4774035), (95, 3065433), (105, 2773487), (133, 2189595), (183, 1591345), (285, 1021811), (305, 954807), (399, 729865), (427, 682005), (665, 437919), (915, 318269), (1159, 251265), (1281, 227335), (1995, 145973), (2135, 136401), (2393, 121695), (3477, 83755), (5795, 50253), (6405, 45467), (7179, 40565), (8113, 35895), (11965, 24339), (16751, 17385)]