222727785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 448156800

約数和(自身を除く): 225429015

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 49, 57, 95, 105, 123, 133, 147, 205, 245, 285, 287, 389, 399, 615, 665, 735, 779, 861, 931, 1167, 1435, 1945, 1995, 2009, 2337, 2723, 2793, 3895, 4305, 4655, 5453, 5835, 6027, 7391, 8169, 10045, 11685, 13615, 13965, 15949, 16359, 19061, 22173, 27265, 30135, 36955, 38171, 40845, 47847, 51737, 57183, 79745, 81795, 95305, 110865, 111643, 114513, 155211, 190855, 239235, 258685, 285915, 303031, 334929, 362159, 558215, 572565, 776055, 781501, 909093, 1086477, 1515155, 1674645, 1810795, 2121217, 2344503, 3907505, 4545465, 5432385, 6363651, 10606085, 11722515, 14848519, 31818255, 44545557, 74242595, 222727785]

約数ペア:

[(1, 222727785), (3, 74242595), (5, 44545557), (7, 31818255), (15, 14848519), (19, 11722515), (21, 10606085), (35, 6363651), (41, 5432385), (49, 4545465), (57, 3907505), (95, 2344503), (105, 2121217), (123, 1810795), (133, 1674645), (147, 1515155), (205, 1086477), (245, 909093), (285, 781501), (287, 776055), (389, 572565), (399, 558215), (615, 362159), (665, 334929), (735, 303031), (779, 285915), (861, 258685), (931, 239235), (1167, 190855), (1435, 155211), (1945, 114513), (1995, 111643), (2009, 110865), (2337, 95305), (2723, 81795), (2793, 79745), (3895, 57183), (4305, 51737), (4655, 47847), (5453, 40845), (5835, 38171), (6027, 36955), (7391, 30135), (8169, 27265), (10045, 22173), (11685, 19061), (13615, 16359), (13965, 15949)]