90091521

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 155326080

約数和(自身を除く): 65234559

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 79, 81, 117, 171, 237, 243, 247, 351, 361, 513, 711, 741, 1027, 1053, 1083, 1501, 1539, 2133, 2223, 3081, 3159, 3249, 4503, 4617, 4693, 6399, 6669, 9243, 9747, 13509, 14079, 19197, 19513, 20007, 27729, 28519, 29241, 40527, 42237, 58539, 60021, 83187, 85557, 87723, 121581, 126711, 175617, 249561, 256671, 364743, 370747, 380133, 526851, 770013, 1112241, 1140399, 1580553, 2310039, 3336723, 4741659, 6930117, 10010169, 30030507, 90091521]

約数ペア:

[(1, 90091521), (3, 30030507), (9, 10010169), (13, 6930117), (19, 4741659), (27, 3336723), (39, 2310039), (57, 1580553), (79, 1140399), (81, 1112241), (117, 770013), (171, 526851), (237, 380133), (243, 370747), (247, 364743), (351, 256671), (361, 249561), (513, 175617), (711, 126711), (741, 121581), (1027, 87723), (1053, 85557), (1083, 83187), (1501, 60021), (1539, 58539), (2133, 42237), (2223, 40527), (3081, 29241), (3159, 28519), (3249, 27729), (4503, 20007), (4617, 19513), (4693, 19197), (6399, 14079), (6669, 13509), (9243, 9747)]