206563725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 393005600

約数和(自身を除く): 186441875

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 211, 225, 229, 285, 475, 633, 687, 855, 1055, 1145, 1425, 1899, 2061, 3165, 3435, 4009, 4275, 4351, 5275, 5725, 9495, 10305, 12027, 13053, 15825, 17175, 20045, 21755, 36081, 39159, 47475, 48319, 51525, 60135, 65265, 100225, 108775, 144957, 180405, 195795, 241595, 300675, 326325, 434871, 724785, 902025, 918061, 978975, 1207975, 2174355, 2754183, 3623925, 4590305, 8262549, 10871775, 13770915, 22951525, 41312745, 68854575, 206563725]

約数ペア:

[(1, 206563725), (3, 68854575), (5, 41312745), (9, 22951525), (15, 13770915), (19, 10871775), (25, 8262549), (45, 4590305), (57, 3623925), (75, 2754183), (95, 2174355), (171, 1207975), (211, 978975), (225, 918061), (229, 902025), (285, 724785), (475, 434871), (633, 326325), (687, 300675), (855, 241595), (1055, 195795), (1145, 180405), (1425, 144957), (1899, 108775), (2061, 100225), (3165, 65265), (3435, 60135), (4009, 51525), (4275, 48319), (4351, 47475), (5275, 39159), (5725, 36081), (9495, 21755), (10305, 20045), (12027, 17175), (13053, 15825)]