66291561

素因数分解:

$3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 115732800

約数和(自身を除く): 49441239

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 89, 147, 189, 267, 441, 563, 623, 801, 1323, 1689, 1869, 2403, 3941, 4361, 5067, 5607, 11823, 13083, 15201, 16821, 27587, 35469, 39249, 50107, 82761, 106407, 117747, 150321, 248283, 350749, 450963, 744849, 1052247, 1352889, 2455243, 3156741, 7365729, 9470223, 22097187, 66291561]

約数ペア:

[(1, 66291561), (3, 22097187), (7, 9470223), (9, 7365729), (21, 3156741), (27, 2455243), (49, 1352889), (63, 1052247), (89, 744849), (147, 450963), (189, 350749), (267, 248283), (441, 150321), (563, 117747), (623, 106407), (801, 82761), (1323, 50107), (1689, 39249), (1869, 35469), (2403, 27587), (3941, 16821), (4361, 15201), (5067, 13083), (5607, 11823)]