68440185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 136940544

約数和(自身を除く): 68500359

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 361, 383, 495, 627, 855, 1045, 1083, 1149, 1805, 1881, 1915, 3135, 3249, 3447, 3971, 4213, 5415, 5745, 7277, 9405, 11913, 12639, 16245, 17235, 19855, 21065, 21831, 35739, 36385, 37917, 59565, 63195, 65493, 80047, 109155, 138263, 178695, 189585, 240141, 327465, 400235, 414789, 691315, 720423, 1200705, 1244367, 1520893, 2073945, 3602115, 4562679, 6221835, 7604465, 13688037, 22813395, 68440185]

約数ペア:

[(1, 68440185), (3, 22813395), (5, 13688037), (9, 7604465), (11, 6221835), (15, 4562679), (19, 3602115), (33, 2073945), (45, 1520893), (55, 1244367), (57, 1200705), (95, 720423), (99, 691315), (165, 414789), (171, 400235), (209, 327465), (285, 240141), (361, 189585), (383, 178695), (495, 138263), (627, 109155), (855, 80047), (1045, 65493), (1083, 63195), (1149, 59565), (1805, 37917), (1881, 36385), (1915, 35739), (3135, 21831), (3249, 21065), (3447, 19855), (3971, 17235), (4213, 16245), (5415, 12639), (5745, 11913), (7277, 9405)]