205520895

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 389975040

約数和(自身を除く): 184454145

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 59, 61, 81, 135, 141, 177, 183, 235, 243, 295, 305, 405, 423, 531, 549, 705, 885, 915, 1215, 1269, 1593, 1647, 2115, 2655, 2745, 2773, 2867, 3599, 3807, 4779, 4941, 6345, 7965, 8235, 8319, 8601, 10797, 11421, 13865, 14335, 14337, 14823, 17995, 19035, 23895, 24705, 24957, 25803, 32391, 41595, 43005, 53985, 57105, 71685, 74115, 74871, 77409, 97173, 124785, 129015, 161955, 169153, 224613, 232227, 291519, 374355, 387045, 485865, 507459, 673839, 696681, 845765, 874557, 1123065, 1161135, 1457595, 1522377, 2537295, 3369195, 3483405, 4372785, 4567131, 7611885, 13701393, 22835655, 41104179, 68506965, 205520895]

約数ペア:

[(1, 205520895), (3, 68506965), (5, 41104179), (9, 22835655), (15, 13701393), (27, 7611885), (45, 4567131), (47, 4372785), (59, 3483405), (61, 3369195), (81, 2537295), (135, 1522377), (141, 1457595), (177, 1161135), (183, 1123065), (235, 874557), (243, 845765), (295, 696681), (305, 673839), (405, 507459), (423, 485865), (531, 387045), (549, 374355), (705, 291519), (885, 232227), (915, 224613), (1215, 169153), (1269, 161955), (1593, 129015), (1647, 124785), (2115, 97173), (2655, 77409), (2745, 74871), (2773, 74115), (2867, 71685), (3599, 57105), (3807, 53985), (4779, 43005), (4941, 41595), (6345, 32391), (7965, 25803), (8235, 24957), (8319, 24705), (8601, 23895), (10797, 19035), (11421, 17995), (13865, 14823), (14335, 14337)]