199973475

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1753}}^1$

素因数の和:1798

約数の個数: 72

約数和(自身を含む): 398017680

約数和(自身を除く): 198044205

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 169, 195, 225, 325, 351, 507, 585, 675, 845, 975, 1521, 1753, 1755, 2535, 2925, 4225, 4563, 5259, 7605, 8765, 8775, 12675, 15777, 22789, 22815, 26295, 38025, 43825, 47331, 68367, 78885, 113945, 114075, 131475, 205101, 236655, 296257, 341835, 394425, 569725, 615303, 888771, 1025505, 1183275, 1481285, 1709175, 2666313, 3076515, 4443855, 5127525, 7406425, 7998939, 13331565, 15382575, 22219275, 39994695, 66657825, 199973475]

約数ペア:

[(1, 199973475), (3, 66657825), (5, 39994695), (9, 22219275), (13, 15382575), (15, 13331565), (25, 7998939), (27, 7406425), (39, 5127525), (45, 4443855), (65, 3076515), (75, 2666313), (117, 1709175), (135, 1481285), (169, 1183275), (195, 1025505), (225, 888771), (325, 615303), (351, 569725), (507, 394425), (585, 341835), (675, 296257), (845, 236655), (975, 205101), (1521, 131475), (1753, 114075), (1755, 113945), (2535, 78885), (2925, 68367), (4225, 47331), (4563, 43825), (5259, 38025), (7605, 26295), (8765, 22815), (8775, 22789), (12675, 15777)]